منو
سیامک حاجی یخچالی

استادیار

تاریخ به‌روزرسانی: 1404/01/20

سیامک حاجی یخچالی

دانشکدگان ‌فنی / دانشکده مهندسی‌ صنایع‌

مقالات علمی چاپ شده در مجلات

  1. "A discrete time/resource trade-off problem with a critical chain method under uncertainty: a hybrid meta-heuristic algorithm"
    Keyvan Kamandanipour, Reza Tavakkoli-moghaddam, Siamak Haji Yakhchali
    SOFT COMPUTING, Vol. 27, No 23, pp.17867-17885, 2023
  2. "Dynamic revenue management in a passenger rail network under price and fleet management decisions"
    Keyvan Kamandanipour, Siamak Haji Yakhchali, Reza Tavakkoli-moghaddam
    ANNALS OF OPERATIONS RESEARCH, Vol. 1, No 1, 2023
  3. "Learning-based dynamic ticket pricing for passenger railway service providers"
    Keyvan Kamandanipour, Siamak Haji Yakhchali, Reza Tavakkoli-moghaddam
    ENGINEERING OPTIMIZATION, Vol. 55, No 4, pp.703-717, 2023
  4. "A forward modelling approach to optimise the portfolio of projects among oil companies under uncertainty: a reactive two-stage stochastic model"
    Mohsen Fayyaz, Siamak Haji Yakhchali, Mir Saman Pishvaee, Fariborz Jolai
    International journal industrial and systems engineering, Vol. 1, No 1, 2022
  5. "Stochastic data-driven optimization for multi-class dynamic pricing and capacity allocation in the passenger railroad transportation"
    Keyvan Kamandanipour, Mohamadmahdi Nasirikhonsari, Konur Dincer, Siamak Haji Yakhchali
    EXPERT SYSTEMS WITH APPLICATIONS, Vol. 159, No 1, 2020
  6. "Integrated bi-objective project selection and scheduling using Bayesian networks: A risk-based approach"
    Ali Namazian, Siamak Haji Yakhchali, Masoud Rabbani
    Scientia Iranica, Vol. 26, No 6, pp.3695-3711, 2020
  7. "Balancing construction projects by considering resilience factors in crisis"
    Zahra Jalili Bal, Ali Bozorgi-Amiri, Siamak Haji Yakhchali
    JOURNAL OF INDUSTRIAL AND SYSTEMS ENGINEERING, Vol. 12, 2019
  8. "Net present value maximisation of integrated project scheduling and material procurement planning"
    Babak Tabrizi, Seyed Farid Ghaderi, Siamak Haji Yakhchali
    International Journal of Operational Research, Vol. 34, No 4, 2019
  9. "The Impact Made on Project Portfolio Optimisation by the Selection of Various Risk Measures"
    Vahid Reza Yousafi, Siamak Haji Yakhchali, Jonas Saparauskas, Sarmad Keyani
    ENGINEERING ECONOMICS, Vol. 29, No 2, pp.2029-5839, 2018
  10. "Discount Strategies Investigation in Integrated Project Scheduling and Material Procurement"
    Babak Tabrizi, Seyed Farid Ghaderi, Siamak Haji Yakhchali
    International Journal of Information Science and Management (IJISM), Vol. 28, pp.1-16, 2017
  11. "A Hybrid Method for Selecting Projects by Considering Sustainability Factors"
    Zahra Jalilibal, Ali Bozorgi-Amiri, Siamak Haji Yakhchali
    international journal of humanities and management sciences, Vol. 4, No 4, pp.392-396, 2016
  12. "A Novel Integrated Decision Making and Mathematical Programming Approach for Project Portfolio Selection: A Case Study"
    Zahra Jalili Bal, Siamak Haji Yakhchali
    International Journal of Humanities and Applied Sciences, Vol. 5, No 1, pp.55-58, 2016
  13. "Project Selection by Using an Integrated Clustering and ANP method: a Case study"
    Azam Keshavarz Haddadha, Zahra Jalili Bal, Siamak Haji Yakhchali
    International Journal of Humanities and Applied Sciences, Vol. 5, No 1, pp.65-68, 2016
  14. "Project Knowledge Management: A Survey"
    Fariba Shoeleh, Siamak Haji Yakhchali, Nima Yazadani
    international journal of humanities and management sciences, Vol. 4, No 4, pp.426-430, 2016
  15. "Project Selection Based on Project Scheduling with Renewable Resource, Nonrenewable Resource and Budget Constraints"
    Mohammadreza Emami, Siamak Haji Yakhchali, Ali Namazian, Shabnam Kazemi Nimgaz
    international journal of humanities and management sciences, Vol. 4, No 4, pp.389-392, 2016
  16. "Designing a Portfolio Management Maturity Model (Elena"
    Shima Nikkhou, Katayoun Taghizadeh Azari, Siamak Haji Yakhchali
    Procedia-Social and Behavioral Sciences, Vol. 1, No 226, pp.318-325, 2016
  17. "Proposing a neural network model to predict time and cost claims in construction projects"
    Vahid Reza Yousafi, Siamak Haji Yakhchali, Mostafa Khanzadeh, Ehsan MEHRABANFAR, Jonas SAPARAUSKAS
    JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT, Vol. 22, No 7, pp.967-978, 2016
  18. "Ranking of Financing Methods in Iran Construction Renovation Projects_ A Sensitivity Analysis Approach"
    Vahid Reza Yousafi, Aida Rahimi Golkhandan, Sarmad Kiani, Siamak Haji Yakhchali, Ehsan Mehrabanfar
    Mediterranean Journal of Social Sciences, Vol. 6, No 5, pp.303-309, 2015
  19. "Proposing a new methodology for prioritising the investment strategies in the private sector of Iran"
    Abdolreza Yazdani-Chamzini, Shahram Shariati, Siamak Haji Yakhchali, Edmundas Kazimieras Zavadskas Kazimieras Zavadskas
    ECONOMIC RESEARCH-EKONOMSKA ISTRAZIVANJA, Vol. 27, No 1, pp.37-41, 2014
  20. "A novel fuzzy inference system for predicting roof fall rate in underground coal mines"
    Mojtaba Razani , Abdolreza Yazdani Chamzini , Siamak Haji Yakhchali
    SAFETY SCIENCE, Vol. 55, pp.26-33, 2013
  21. "Risk ranking of tunnel construction projects by using the ELECTRE technique under a fuzzy environment"
    Abdolreza Yazdani-Chamzini, Siamak Haji Yakhchali, Mahmood Mahmoodian
    International Journal of Management Science and Engineering Management, Vol. 8, No 1, pp.1-14, 2013
  22. "Developing a fuzzy model based on subtractive clustering for road header performance prediction"
    Abdolreza Yazdani, Mojtaba Razani, Siamak Haji Yakhchali, Edmundas Kazimieras Zavadskas, Zenonas Turskis
    AUTOMATION IN CONSTRUCTION, Vol. 35, No 35, pp.111-120, 2013
  23. "A new model to predict roadheader performance using rock mass properties"
    Abdolreza Yazdani-Chamzini, Siamak Haji Yakhchali
    Journal of Coal Science and Engineering, Vol. 19, No 1, pp.51-56, 2013
  24. "Developing a new fuzzy inference system for pipeline risk assessment"
    Ali Jamshidi , Abdolreza Yazdani Chamzinib , Siamak Haji Yakhchali, Sohrab Khaleghid
    JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES, Vol. 26, No 1, pp.197-208, 2013
  25. "Using an integrated MCDM model for mining method selection in presence of uncertainty"
    Abdolreza Yazdani-Chamzini, Siamak Haji Yakhchali, Edmundas Kazimieras Zavadskas
    ECONOMIC RESEARCH-EKONOMSKA ISTRAZIVANJA, Vol. 25, No 25, pp.869-904, 2012
  26. "Developing a new model based on neuro - fuzzy system for predicting roof fall in coal mines"
    Mohammad Farid , Mehdi Mohamadi Hosseinabadi , Abdolreza Yazdani Chamzini , Siamak Haji Yakhchali, Mohammad Hossein Basiri
    NEURAL COMPUTING & APPLICATIONS, Vol. -, 2012
  27. "Handling equipment Selection in open pit mines by using an integrated model based on group decision making"
    Abdolreza Yazdani Chamzini , Siamak Haji Yakhchali
    International Journal of Industrial Engineering Computations, Vol. 3, No 5, pp.907-924, 2012
  28. "A Path Enumeration Approach for the Analysis of Critical Activities in Fuzzy Networks"
    Siamak Haji Yakhchali
    INFORMATION SCIENCES, Vol. 204, pp.23-35, 2012
  29. "Forecasting gold price changes by using adaptive network fuzzy inference system"
    Abdolreza Yazdani Chamzini , Siamak Haji Yakhchali, Diana Volungevičienė , Edmundas Kazimieras Zavadskas
    Journal of Business Economics and Management, Vol. 5, No 13, pp.994-1010, 2012
  30. "Tunnel Boring Machine (TBM) selection using fuzzy multicriteria decision making methods"
    Abdolreza Yazdani-Chamzini, Siamak Haji Yakhchali
    TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY, Vol. 38, No 38, pp.583-584, 2012
  31. "PROJECT PORTFOLIO SELECTION USING FUZZY AHP AND VIKOR TECHNIQUES"
    Mohammad Majid Fouladgar , Abdolreza Yazdani Chamzini , Edmundas Kazimieras Zavadskas , Siamak Haji Yakhchali, Mohammad Hossein Ghasempourabadi
    Transformations in Business & Economics, Vol. 11, No 1, pp.42-59, 2012
  32. "Program Evaluation and Review Techniques II ( PERT II )"
    Siamak Haji Yakhchali
    Engineering Letters, Vol. 19, No 4, pp.324-330, 2011
  33. "A New Methodology for Prioritizing Mining Strategies"
    Mohammad Majid Fouladgar , Abdolreza Yazdanichamzini , Siamak Haji Yakhchali
    International Journal of Innovation Management and Technology, Vol. 2, No 4, pp.342-347, 2011
  34. "On the latest starting times and criticality of activities in a networkwith imprecise durations"
    Siamak Haji Yakhchali, Seyed Hassan Ghodsypour
    APPLIED MATHEMATICAL MODELLING, Vol. 34, No 8, pp.2044-2058, 2010
  35. "Computing latest starting times of activities in interval - valued networks with minimal time lags"
    Siamak Haji Yakhchali, Seyed Hassan Ghodsypour
    EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, Vol. 200, No 3, pp.874-880, 2010
  36. "On Criticality of Paths in Networks with ImpreciseDurations and Generalized Precedence Relations"
    Siamak Haji Yakhchali, Seyed Hassan Ghodsypour , Seyed Mohamad Taghi Fatemi Ghomi
    SOFT COMPUTING, Vol. 58, pp.315-324, 2009
  37. "Erratum to On computing the latest starting time and floats of activities in a network with imprecise durations"
    Siamak Haji Yakhchali, Seyed Hassan Ghodsipoor
    FUZZY SETS AND SYSTEMS, Vol. -, 2008
  38. "انتخاب تامین کنندگان در زنجیره تامین سبز پروژه های صنعت نفت و گاز با ترکیب روش های تصمیم گیری چند معیاره فازی"
    سیامک حاجی یخچالی، مجید پرچمی جلال، محمد کاظم اسدی
    مدیریت مخاطرات محیطی (دانش مخاطرات سابق)، نسخه 4، شماره 3، صفحات:231-246، 1396
  39. "شناسایی معیارهای توسعه پایدار موثر بر انتخاب پروژه ها، باتوجه به ارتباطات میان آن ها"
    زهرا جلیلی بال، سیامک حاجی یخچالی، علی بزرگی امیری، ساناز ایمانی
    فصلنامه سیاست نامه علم و فناوری، نسخه 6، شماره 3، صفحات:15-28، 1395

مقالات علمی ارائه شده در همایش‌ها

  1. "Portfolio selection of projects and programs with respect to Risk and Return"
    Siamak Haji Yakhchali, Vahidreza Yousefi
    37th paris international conference on "advances in science,engineering and waste management"(PASEW-23), 2023
  2. "portfolio structures in organizations based on Elena Guides"
    Siamak Haji Yakhchali
    37th paris international conference on "advances in science,engineering and waste management"(PASEW-23), 2023
  3. "Optimization of NPV in the RCMPSP under Multi-skill Conditions with using from the PSO Algorithm"
    pezhman asadi, ali eslampanah, Siamak Haji Yakhchali
    22th BORDEAUX-FRANCE Int'l Conference on Humanities, Social Sciences & Interdisciplinary Studies (HSSIS-19), 2019
  4. "What is ElenaCenter.com?"
    Siamak Haji Yakhchali
    22th BORDEAUX-FRANCE Int'l Conference on Humanities, Social Sciences & Interdisciplinary Studies (HSSIS-19), 2019
  5. "What is WikiPM.ir?"
    Siamak Haji Yakhchali
    22th BORDEAUX-FRANCE Int'l Conference on Humanities, Social Sciences & Interdisciplinary Studies (HSSIS-19), 2019
  6. "Examining Challenges and Providing a Tool for Assessing the Delegation of Authority Competency in Project Managers"
    Amir Reza Derhami, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
  7. "Social Media: A Way to Customer Engagement with the Brand"
    Zahra Baradaran Sorkhabi, Mohammad Ali Babaei Zakliki, Kambiz Heidarzadeh Hanzaee, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
  8. "A New Buffer Sizing Approach Based on ELENA Project Management Guidance"
    Mehrasa Mosallami, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
  9. "Developing Tools Recognition and Evaluating Program's Outcomes and Portfolio's Benefits Regarding to Elena Program and Portfolio Guidance"
    Pejman Asadi, Alireza Khatami, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
  10. "The Role of Technological Factors in Knowledge Transfer in Transnational Projects"
    Fariba Shoeleh, Mahmoud Mohammad Hosein Zadeh Golabchi, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
  11. "Determining Decoupling Points in a Supply Chain Networks using NSGA II Algorithm"
    Maryam Karimi, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
  12. "Cost Minimization Model Of Multi-Skill Resource Constrained Multi-Project Scheduling Problem With Probabilistic Durations By GA"
    Mohmanad Hossein Dalvand, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology (ICASET-18), 2018
  13. "Elena Portfolio Guide: A Novel Framework for Portfoli Management"
    Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology (ICASET-18), 2018
  14. "New Concordance and Discordance Indexes for ELECRE III Method"
    Meysam Borajeah, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology (ICASET-18), 2018
  15. "New ELENA Project Management Standard Approach in Difference between Target and Destination of Projects"
    Sina Ariaa, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology (ICASET-18), 2018
  16. "Converting Project’s Risks to Contractual Provisions Based on Elena’s Project Guideline in a Case Study"
    Shahin Danshmand, Nafiesh Solymani, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology, 2018
  17. "Elena Guide’s Principles in Crisis"
    Zahra Tahaei, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology, 2018
  18. "Using a Novel Method for Portfolio Selection under Uncertainty Condition"
    Sheama Ghanei, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology (ICASET-18), 2018
  19. "Possible and Necessary Optimality of Schedules in the Two Machines Scheduling Problem with Imprecise Processing Times"
    Siamak Haji Yakhchali, Ali Husseinzadeh Kashan
    11th Int'l Conference on Business, Education, Humanities and Social Sciences Studies (BEHSSS-18), 2018
  20. "FRCPSP with Multi Skill"
    S.sina Ariaa, Siamak Haji Yakhchali
    11th Int'l Conference on Business, Education, Humanities and Social Sciences Studies (BEHSSS-18), 2018
  21. "Applying Elena Project Guide for Risks in Constructions Project Model: A Case Study in Acacia Building Project"
    Siamak Haji Yakhchali, Babak Yapir Rashti
    11th Int'l Conference on Business, Education, Humanities and Social Sciences Studies (BEHSSS-18), 2018
  22. "Elena Guide for People: A Novel Framework for Project Managers Competency Development"
    Siamak Haji Yakhchali
    11th Int'l Conference on Business, Education, Humanities and Social Sciences Studies (BEHSSS-18), 2018
  23. "Lexicography and linear mathematical model combined method by stability criterion due to select project portfolio"
    Siamak Haji Yakhchali, Abed Davarpanah Bafti, Navid Fathi
    6th International Conference on Mechanical, Aeronautical and Industrial Engineering (MAIE-17), 2017
  24. "Designing a Program Management Maturity Model (ELENA)"
    Mohammad Hossein Afrazeh, Siamak Haji Yakhchali
    Dubai International Conference on Literature, History, Humanities and Interdisciplinary Studies (LHHIS-17), 2017
  25. "Decision Making Approaches upon Home Buying versus Home Renting for Individual Households"
    Siamak Haji Yakhchali, Mosayeb Hassanvand
    Dubai International Conference on Literature, History, Humanities and Interdisciplinary Studies (LHHIS-17), 2017
  26. "A New Buffer Monitoring Approach Based on Earned Value Management Concepts"
    Mehrasa Mosallami, Siamak Haji Yakhchali
    nternational Conference on Literature, History, Humanities and Interdisciplinary Studies (LHHIS-17), 2017
  27. "Proposing a Developed Risk Assessment Model Based on ELENA: A Case Study in Railway"
    Mehraneh Davari, Siamak Haji Yakhchali, Sirous Shojaie
    Dubai International Conference on Literature, History, Humanities and Interdisciplinary Studies (LHHIS-17), 2017
  28. "New Model for Portfolio selection_ based on Future approach (SFMADM)"
    Reza Mirbagheri, Reza Roshangarzadeh, Siamak Haji Yakhchali
    7th intrnational Conference on Innovation in Engineering and Technology (ICIET-2017), 2017
  29. "Developing a New Model for Project Portfolio Selection Problem under Fuzzy Environment"
    Azam Keshavarz Haddadha, Siamak Haji Yakhchali
    9th Int'l Conference on Business, Law, E-Governance, and Corporate Social Responsibilities (BLECSR-17), 2017
  30. "The Application of Critical Chain Concept in Elena Project Guidance"
    Mehrasa Mosallami, Shabnam Kazemi Nimgazi, Siamak Haji Yakhchali
    9th International Conference on Business, Law, E-Governance, and Corporate Social Responsibilities (BLECSR-17), 2017
  31. "Proposing an Improved Risk Assessement Model_ A Case Study in Saba tower"
    Mehraneh Davari, Siamak Haji Yakhchali, Sirous Shojaie
    Int.Conf on Law Education, Business and Corporate Social Responsiblites, 2017
  32. "Project Selection Problem by Combination of Shannon Entropy and MCDM Techniques"
    Azam Keshavarz Haddadh, Ali Namazian, Siamak Haji Yakhchali
    International Conference on Literature, History, Humanities and Social Sciences (LHHSS-17), 2017
  33. "Project, Program and Portfolio Risk Perceptions"
    Ali Namazian, Siamak Haji Yakhchali
    nternational Conference on Literature, History, Humanities and Social Sciences (LHHSS-17), 2017
  34. "Sustainable Model for Project Management Process"
    Mehdi Aghamohammadi, Siamak Haji Yakhchali
    International Conference on Literature, History, Humanities and Social Sciences (LHHSS-17), 2017
  35. "A practical Approach Based on Fuzzy Analytic Hierarchy Process for Contractor Selection: a Case Study of An Engineering and Development Company in Iran"
    Metra Danshmandi, Siamak Haji Yakhchali
    International Conference on Literature, History, Humanities and Social Sciences (LHHSS-17), 2017
  36. "The Application of the Statistical Methods to Measure the Effect of Adding A Bamboo Fiber and Combine it with Animal Collagen on the Physical, Chemical and Sensory Characteristics of Nags Tilapia Fish"
    Shabnam Kazemi Nia Gazi, Seyed Ebrahim Hosseini, Siamak Haji Yakhchali, Meysam Borajee
    International Conference on Literature, History, Humanities and Social Sciences (LHHSS-17), 2017
  37. "A Brief Study on Residential Construction Projects from View of Delay Causes Ranking"
    Siamak Haji Yakhchali, Amin Alvanchi, Nima Farmani
    International Conference on Law, Business, Marketing and Education, 2016
  38. "MCDM Techniques and Knapsack Approach for Project Selection Problem: A Case Study"
    Azam Keshavarz Haddadha, Siamak Haji Yakhchali, Zahra Jalili Bal
    International Conference on Law, Business, Marketing and Education, 2016
  39. "A Novel Approach for Delay Analysis"
    Mojtaba Ziaei, Siamak Haji Yakhchali
    2nd International Conference on Mechanical, Electronics and Mechatronics Engineering (ICMEME'2013), 2013
  40. "Introduction to a Stepwise Procedure for Program Planning"
    Siamak Haji Yakhchali, Setareh Torabzadeh, Azadeh Arjmand
    2nd International Conference on Mechanical, Electronics and Mechatronics Engineering (ICMEME'2013), 2013
  41. "A New Mixed-Integer Programming Model for Project Portfolio Selection with Strategic Resources"
    Sheama Ghanei, Siamak Haji Yakhchali
    2nd International Conference on Mechanical, Electronics and Mechatronics Engineering (ICMEME'2013), 2013
  42. "Do Different Project Categories Need Different Leadership Styles?"
    Siamak Haji Yakhchali, Hamed Heydari Farsani
    2nd International Conference on Management, Behavioral Sciences and Economics Issues (ICMBSE'2013), 2013
  43. "A Simple Approach to Project Scheduling in Networks with Stochastic Durations"
    Siamak Haji Yakhchali
    the 2011 international conference of manufacturing engineering and engineering management organizer, 2011
  44. "On Computing the Minimal Latest Starting Times of Activities in Interval-Valued Network with Generalized Precedence Relations"
    Siamak Haji Yakhchali
    World Congress on Engineering 2011-WCE 2011, 2011
  45. "An Incremental Approach for Temporal Analysis in Networks with ImpreciseActivity and Time Lag Durations"
    Siamak Haji Yakhchali, سیدحسن قدسی پور, سیدمحمد تقی فاطمی قمی
    The International Conference on Industrial Engineering andEngineering Management IEEM, 2008
  46. "A hybrid genetic algorithm for computing the float ofan activity in networks with imprecise durations"
    Siamak Haji Yakhchali, سیدحسن قدسی پور
    International Conference on Fuzzy Systems FUZZ2008, 2008
  47. "Necessary Criticality of Paths in Networks withImprecise Durations and Time lags"
    Siamak Haji Yakhchali, محمد فاضل زرندی, ابراهیم ترکسن, سیدحسن قدسی پور
    NAFIPS, 2007
  48. "Possible Criticality of Paths in Networks withImprecise Durations and Time Lags"
    Siamak Haji Yakhchali, محمد فاضل زرندی, ابراهیم ترکسن, سیدحسن قدسی پور
    NAFIPS, 2007
  49. "موانع اجرای مهندسی ارزش در پروژه های ساخت"
    دینا ذوالفقاری، امیرحسین دلیر، سیامک حاجی یخچالی، مجید سبزه پرور
    دومین کنفرانس بین المللی معماری ، عمران ، شهرسازی ،محیط زیست و افق های هنر اسلامی در بیانیه گام دوم انقلاب، 1401
  50. "توسعه سیستم های فیزیکی سایبری برای کاربردهای ساخت و ساز"
    دینا ذوالفقاری، امیرحسین دلیر، سیامک حاجی یخچالی، محمد جعفری فشارکی
    دومین کنفرانس بین المللی معماری ، عمران ، شهرسازی ،محیط زیست و افق های هنر اسلامی در بیانیه گام دوم انقلاب، 1401
  51. "ﻃﺮاﺣﯽ اﺑﺰار ارزﯾﺎﺑﯽ ﺷﺎﯾﺴﺘﮕﯽ ﺗﻔﻮﯾﺾ اﺧﺘﯿﺎر ﻣﺪﯾﺮان و اراﺋﻪ روﺷﯽ ﮐﺎرﺑﺮدی ﺑﺮای اﻧﺠﺎم ﻣﺆﺛﺮ ﻓﺮاﯾﻨﺪ ﺗﻔﻮﯾﺾ اﺧﺘﯿﺎر در ﺳﺎزﻣﺎنﻫﺎ"
    امیررضا درهمی، سیامک حاجی یخچالی
    پنجمین کنفرانس ملی مدیریت و حسابداری، 1397
  52. "زﻣﺎﻧﺒﻨﺪی ﭘﺮوژه ﺑﺎ ﺗﻮﺟﻪ ﺑﻪ ﺣﺪاﻗﻞ ﻧﻤﻮدن ﺟﺮﯾﻤﻪ دﯾﺮﮐﺮد / زودﮐﺮد ﻓﻌﺎﻟﯿﺖﻫﺎ در ﺷﺮاﯾﻂ ﻋﺪم قطعیت و محدودیت منابع"
    سعید حیدری فارسیانی، سیامک حاجی یخچالی
    13 ام کنفرانس بین المللی مهندسی صنایع، 1395
  53. "ارائه ترکیبی از مدل برنامه ریزی ریاضی خطی و مدل های تصمیم گیری چندمعیاره به منظور انتخاب پورتفولیوی پروژه ها"
    زهرا جلیلی بال، سیامک حاجی یخچالی، علی بزرگی امیری
    اولین کنفرانس ملی مدل ها و تکنیک های کمی در مدیریت، 1395
  54. "انتخاب سبد بهینه پروژه با استفاده از روش تصمیم گیری برناردو"
    اعظم کشاورز، علی نمازیان، سیامک حاجی یخچالی
    یازدهمین کنفرانس بین المللی مدیریت پروژه، 1394
  55. "ارزیابی بلوغ مدیریت پروژه بر اساس مدل جدید بلوغ پروژه النا_ مطالعه موردی (برج صبا)"
    سیروس شجاعی، سیامک نوری، سیامک حاجی یخچالی، یاسر رحیمی
    یازدهمین کنفرانس بین المللی مدیریت پروژه، 1394
  56. "طراحی مدل بلوغ سبد"
    شیما نیکخو، کتایون تقی زاده آذری، سیامک حاجی یخچالی
    کنفرانس بین المللی مدیریت پروژه، 1394
  57. "مدلسازی و حل مسئله انتخاب پروژه بر اساس زمانبندی اجرا فعالیت های پروژه"
    محمدرضا امامی، سیامک حاجی یخچالی، علی نمازیان
    دومین کنفرانس ملی مدیریت ساخت و پروژه، 1394
  58. "ارائه راهکارهایی به منظور کاهش انحرافات زمان در مرحله ساخت پروژه های ساختمانی با معماری مدرن"
    پدرام برازجانی، سیامک حاجی یخچالی
    دومین کنفرانس ملی مدیریت ساخت و پروژه، 1394
  59. "ارائه رویکردهای مدل سازی و حل مسئله ترکیبی انتخاب و زمانبندی پروژه ها"
    محمدرضا امامی، علی نمازیان، سیامک حاجی یخچالی
    12 کنفرانس بین المللی مهندسی صنایع، 1394
  60. "انتخاب پورتفولیوی پروژه با توسعه مدل میانگین - واریانس مارکویتز"
    سیامک حاجی یخچالی، زهرا حامدی
    12 کنفرانس بین المللی مهندسی صنایع، 1394
  61. "ارائه چهارچوب انتخاب سبد پروژه با استفاده از تکنیک های تصمیم گیری چندمعیاره"
    اعظم کشاورز حدادها، علی نمازیان، سیامک حاجی یخچالی
    کنفرانس بین المللی پژوهش های نوین در مدیریت و مهندسی صنایع، 1394
  62. "مدلسازی و حل مسئله زمانبندی پروژه چند هدفه با فعالیتهای چند حالته"
    محمدرضا امامی، علی نمازیان، سیامک حاجی یخچالی
    کنفرانس بین المللی پژوهش های نوین در مدیریت و مهندسی صنایع، 1394
  63. "اولویت بندی معیارهای موفقیت پروژه، طرح و پورتفولیو با روش تلفیقی ANP، DEMATEl در یک پروژه سرمایه گذاری ساخت و ساز"
    محسن حسنی انزابی، سیامک حاجی یخچالی، حمیرا خاکسار
    دومین همایش ملی پژوهش های مهندسی صنایع، 1394
  64. "بررسی ادراک ذینفعان مختلف در خصوص اهمیت معیارهای موفقیت پروژه، طرح و پورتفولیو در یک پروژه EPC"
    محسن حسنی انزابی، سیامک حاجی یخچالی، حمیرا خاکسار
    کنفرانس بین المللی مدیریت، اقتصاد و مهندسی صنایع، 1394
  65. "ارائه مدل ریاضی برای انتخاب سبد پروژه ها و طرح ها با توجه به روش های تامین مالی"
    آیدین رضائیان، سیامک حاجی یخچالی
    کنفرانس بین المللی مهندسی صنایع، 1393
  66. "متعادل سازی و انتخاب پورتفولیوی پروژه ها: با هدف حداقل سازی میزان تاسف تحت شرایط عدم قطعیت"
    آزاده ارجمند، سیامک حاجی یخچالی
    دهمین کنفرانس بین المللی مهندسی صنایع، 1392
  67. "بررسی خطرات تونل سازی با استفاده از روش حالت شکست و تجزیه و تحلیل اثرات تحت محیط فازی ( Fuzzy FMEA )"
    محمد حسین بصیری، عبد الرضا یزدانی، مسعود منجزی، سیامک حاجی یخچالی
    کنفرانس بین المللی مهندسی عمران و شهرسازی، 1392
  68. "شناخت فاکتورهای کلیدی موفقیت در برنامه ریزی استراتژیک و اولویت بندی آن ها به روش تحلیل شبکه"
    وحید رضا یوسفی، سیامک حاجی یخچالی، سرمد کیانی
    دهمین کنفرانس سالیانه مدیریت استراتژیک، 1392
  69. "سیستم پشتبان تصمیم برای مسئله زمانبندی کلا سهای درس"
    سیامک حاجی یخچالی، رضا زنجیرانی فراهانی
    چهارمین کنفرانس بین المللی مهندسی صنایع، 1384
  70. "مدل عدد صحیح برای مسئله زمانبندی کلا سهای دانشگاهی یک مطالعه موردی"
    سیامک حاجی یخچالی، رضا زنجیرانی فراهانی
    چهارمین کنفرانس بین المللی مهندسی صنایع، 1384