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سجاد پیرمحمد

مرتبه علمی: استاد
دانشکده فنی و مهندسی
گروه مهندسی مکانیک
شماره تماس: 04531505755
ایمیل: s_pirmohammad@uma.ac.ir
ORCID: https://orcid.org/0000-0003-1988-1058

دکتری مهندسی مکانیک-طراحی کاربردی از دانشگاه علم و صنعت ایران
کارشناسی ارشد مهندسی مکانیک از دانشگاه علم و صنعت ایران
کارشناسی مهندسی مکانیک از دانشگاه تهران

سوابق شغلی:

1-فعاليت در شركت فنی مهندسي از سال 1385 تا 1388

2-فعاليت در شركت فنی مهندسي از سال 1388 تا 1391
3-مشاور شركت فنی مهندسي از سال 1391 تاكنون
4-تدريس در دانشگاه جامع علمي كاربردي شعبه شركت خودروسازي سايپا از سال 1387 تا 1389
5-تدريس در دانشگاه آزاد واحد انديشه تهران سال 1392
6-عضو هيات علمي دانشگاه محقق اردبيلي از سال 1392 تاكنون


تحصیلات

افتخارات

1-فارغ التحصيل رتبه اول مقطع كارشناسي ارشد
2-دانشجوي ممتاز مقطع كارشناسي ارشد در سالهاي 1384 و 1385

3-اخذ بورسیه دکتری از اداره کل دانشجویان اعزام به خارج وزارت علوم، تحقیقات و فناوری
4-پژوهشگر برتر رتبه اول در جشنواره پژوهشگران برتر استانی در گروه فنی و مهندسی-1398
5-پژوهشگر برتر رتبه اول در جشنواره پژوهشگران برتر داخل دانشگاهی در گروه فنی و مهندسی-1398
6-جزو ۲ درصد دانشمندان برتر جهان، 2021 ، 2022 و 2023.



عضویت در انجمن های علمی

عضو بنیاد ملی نخبگان
عضو سازمان نظام مهندسی استان اردبیل
 عضو انجمن مهندسی خودرو


زمینه های تحقیقاتی

مكانيك شكست
 مكانيك ضربه
 خواص بتن هاي آسفالتي
 تحليل تنش

مقالات انگلیسی

53 - S. Pirmohammad, R. Momeni, S. Houshmani khangah, "Effect of SCB specimen size on mode I fracture parameters of asphalt concrete at low and intermediate temperatures", Theoretical and Applied Fracture Mechanics, 2024.
52 - M. Bakhshizadeh, S. Pirmohammad, H.R Karimi, MRM Aliha, "Effect of support friction on pure mode I, II, and III fracture toughness of cement concrete tested with edge-notched disc bend specimen", Theoretical and Applied Fracture Mechanics, 2024.
51 - S. Pirmohammad, MH Ramezani, "Crushing behavior of polygonal multicellular structures with a novel pattern of design for their cross-section under multiple crushing angles", Mechanics of Advanced Materials and Structures, 2024.
50 - S. Pirmohammad, Z. Ghahramanzadeh, “Crushing behavior of multi-cell tubes with a novel pattern of design for their cross-section under multiple crushing angles”, Mechanics of Advanced Materials and Structures, 29 (28), 2022, 7441-7458.
49 - A. Ghasemi-Ghalebahman, A. Abdi-Aghdam, S. Pirmohammad, M. Hassani-Niaki, “Experimental investigation of fracture toughness of nanoclay reinforced polymer concrete composite: Effect of specimen size and crack angle”, Theoretical and Applied Fracture Mechanics, 117, 2022, 103210.
48 - S. Pirmohammad, M. Bakhshizadeh, “Experimental and numerical evaluation of semi-circular bending specimen for mixed mode I/III and pure mode III fracture tests”, Fatigue and Fracture of Engineering Materials and Structures, 45(4), 2022, 1213-1226.
47 - M. Bakhshizadeh, S. Pirmohammad, MR Ayatollahi, “Effect of friction at the supports of semi-circular bending tests on fracture mode of loading”, Theoretical and Applied Fracture Mechanics , 118, 2022, 103265.
46 - Z. Ghahramanzadeh, S. Pirmohammad, “Crashworthiness performance of square, pentagonal and hexagonal thin-walled structures with a new sectional design”, Mechanics of Advanced Materials and Structures, 2022.
45 - S. Pirmohammad, M. Abdi, MR Ayatollahi, “Effect of support type on the fracture toughness and energy of asphalt concrete at different temperature conditions”, Engineering fracture mechanics, 254, 2021, 107921.
44 - A. Yousefi, S. Sobhi, MRM Aliha, S. Pirmohammad, H. Haghshenas, “Cracking Properties of Warm Mix Asphalts Containing Reclaimed Asphalt Pavement and Recycling Agents under Different Loading Modes”, Construction and Building Materials, 300, 2021, 124130.
43 - S. Pirmohammad, S. Esmaeili-Marzdashti, E. Vosoghifard, “Effect of hole shapes and dimensions on the crushing performance of octagonal multi-cell columns”, Automotive Science and Engineering, 11(1), 2021, 3534-3546.
42 - S. Pirmohammad, M. Abdi, MR Ayatollahi,” Mode II fracture tests on asphalt concrete at different temperatures using semi-circular bend specimen loaded by various types of supports”, Theoretical and Applied Fracture Mechanics, 116, 2021, 103089.
41 - S. Pirmohammad, Y. Majd Shokorlou, B. Imani, "Experimental investigation of fracture properties of asphalt mixtures modified with Nano Fe 2 O 3 and carbon nanotubes", Road Materials and Pavement Design, 21(8), 2020, 2321-2343.
40 - S. Pirmohammad, Y. Majd Shokorlou, B. Imani,"Influence of natural fibers (kenaf and goat wool) on mixed mode I/II fracture strength of asphalt mixtures", Construction and Building Materials, 239, 2020.
39 - S. Pirmohammad, Y. Majd Shokorlou, B. Amani, "Laboratory investigations on fracture toughness of asphalt concretes reinforced with carbon and kenaf fibers", Engineering Fracture Mechanics, 226, 2020.
38 - S. Pirmohammad, B. Amani, Y. Majd Shokorlou,"The effect of basalt fibers on fracture toughness of asphalt mixture", Fatigue & Fracture of Engineering Materials & Structures, 2020, 43(7), 1446-1460.
37 - S. Pirmohammad, Y. Majd Shokorlou, "Finite element analysis of road structure containing top-down crack within asphalt concrete layer", J. Cent. South Univ. (2020) 27: 242−255.
36 - S. Pirmohammad, M. Khanpour, "Fracture strength of warm mix asphalt concretes modified with crumb rubber subjected to variable temperatures", Road Materials and Pavement Design, 21, 2020, 557-575
35 - S. Pirmohammad, M. Hojjati Mengharpey, "Influence of natural fibers on fracture strength of WMA (warm mix asphalt) concretes using a new fracture test specimen", Construction and Building Materials, 2020, 251, 118927.
34 - S. Pirmohammad, “Crashworthiness performance of concentric structures with different cross-sectional shapes under multiple loading conditions”, Part D: J of Automobile Engineering, 235 (2-3) 2020.
33 - A. Yousefi, S. Pirmohammad, S. Sobhi, “Fracture Toughness of Warm Mix Asphalts Containing Reclaimed Asphalt Pavement”, J of Stress Analyses, 2020, 5(1), 85-98.
32 - S. Pirmohammad, S. Sobhi, A. Yousefi, “Study on the effect of using reclaimed asphalt pavement and rejuvenator on the fracture behavior of warm mix asphalt”, Amirkabir Civil Eng., 2020.
31 - S. Pirmohammad, H. Shabani, "Mixed Mode I/II Fracture Strength of Modified HMA Concretes Subjected to Different Temperature Conditions", J of Testing and Evaluation, 47(5), 2019.
30 - S. Pirmohammad, Y. Majd Shokorlou, B. Imani, "Fracture Resistance of HMA Mixtures Modified with Nanoclay and Nano-Al2O3", J of Testing and Evaluation", 47(5), 2019.
29 - S. Pirmohammad, S. Esmaeili-Marzdasht, A. Eyvazian, "Crashworthiness design of multi-cell tapered tubes using response surface methodology", J of Computational and Applied Research in Mech. Eng., 9 (1), 2019, 59-75.
28 - S. Pirmohammad, S. Esmaeili-Marzdashti, "Multi-objective optimization of multi-cell conical structures under dynamic loads", J of South Central University, 26, 2019, 2464–2481.
27 - S. Pirmohammad, S. Ahmadi Saravani, S.J Zakavi, "Crashworthiness optimization design of foam-filled tapered decagonal structures subjected to axial and oblique impacts", J of South Central University, 26, 2019, 2729–2745.
26 - S. Pirmohammad, S. Esmaeili-Marzdashti, "Multi-objective crashworthiness optimization of square and octagonal bitubal structures including different hole shapes", Thin-Walled Structures, 139, 2019, 126-138.
25 - S. Pirmohammad, H. Nikkhah, "Crashworthiness investigation of bitubal columns reinforced with several inside ribs under axial and oblique impact loads", Part D Journal of automobile engineering, 232 (3), 2018.
24 - S. Pirmohammad, M.H. Ekbatan, S. Esmaeili, "Crashworthiness of double-cell conical tubes with different cross-sections subjected to dynamic axial and oblique loads", j of Central South University, 25 (3), 2018, 632–645.
23 - S. Pirmohammad, S. Ahmadi Saravani, "Crashworthiness performance of stiffened foam-filled tapered structures under axial and oblique dynamic loads", Latin American J of Solids and Structures, 15(5), 2018.
22 - S. Pirmohammad, S. Esmaeili-Marzdashti, "Crashworthiness optimization of combined straight-tapered tubes using genetic algorithm and neural networks", Thin-Walled Structures, 127, 2018, 318-332.
21 - S. Pirmohammad, M. Hojjati Mengharpey, "A new mixed mode I/II fracture test specimen: Numerical and experimental studies", Theoretical and Applied Fracture Mechanics, 97, 2018, 204-214.
20 - S. Esmaeili Marzdashti, T. Sebaey, S. Pirmohammad, S. Esmaeili-Marzdashti, "Crash analysis and design of multi-cell octagonal s-shaped members under axial and oblique impacts", IRJES, 6(2), 2017, 37-50.
19 - S. Esmaeili Marzdashti, S. Pirmohammad, S. Esmaeili Marzdashti, "Crashworthiness analysis of S-shaped structures under axial impact loading", Latin American J of Solids and Structures, 14(5), 2017, 743-764.
18 - S. Pirmohammad, S. Esmaeili-Marzdashti, "Comparison of energy absorption performance of multi-walled square and circular structures using COPRAS method and optimization of circular structures using RSM", J of Solids and Fluid Mechanics, 7(3), 2017, 133-147.
17 - S. Pirmohammad, A. Bayat, "Fracture resistance of HMA mixtures under mixed mode I/III loading at different subzero temperatures", Int. J of Solids and Structures, 120, 2017, 268-277.
16 - S. Pirmohammad, A. Kiani, "Study on fracture behavior of HMA mixtures under mixed mode I/III loading", Engineering Fracture Mechanics, 153, 2016, 80-90.
15 - S. Pirmohammad, A. Kiani, "Impact of temperature cycling on fracture resistance of asphalt concretes", Computers and Concrete, 17(4), 2016, 541-551.
14 - S.Pirmohammad, A. Kiani, "Effect of temperature variations on fracture resistance of HMA mixture under different loading modes", Materials and Structures, 49(9), 2016, 3773-3784.
13 - S. Pirmohammad, H. Khoramishad, M.R. Ayatollahi, "Effects of asphalt concrete characteristics on cohesive zone model parameters of hot mix asphalt mixtures" Canadian J. of Civil Engineering, 43(3), 2016, 226-232.
12 - S. Pirmohammad, A. Bayat, "Characterizing mixed mode I/III fracture toughness of asphalt concrete using asymmetric disc bend (ADB) specimen", Construction and Building Materials, 120, 2016, 571-580.
11 - S. Pirmohammad, S. Esmaeili Marzdashti, " crushing behavior of new designed multi-cell members subjected to axial and oblique quasi-static loads", Thin-Walled Structures, 108, 2016, 291-304.
10 - S. Pirmohammad, H. Nikkhah, S. Esmaeili, "Experimental and numerical study on the collapse behavior of double-walled tubes reinforced with inside ribs under dynamic axial loading", Modaress Mechanical Engineering, 16(9), 2016, 347-358.
9 - S. Pirmohammad, A. Bayat, "Finite Element Analysis of a New Specimen for Conducting Fracture Tests under Mixed Mode I/III Loading", J of Stress Analysis, 1(1), 2016, 33-41.
8 - S. Pirmohammad, M.R. Ayatollahi,"Asphalt concrete resistance against fracture at low temperatures under different modes of loading", Cold Region Science and Technology, 110, 2015, 149-159.
7 - S Pirmohammad, MR Ayatollahi, " Fracture resistance of asphalt concrete under different loading modes and temperature conditions ", Construction and Building Materials, 53, 2014, 235-242.
6 - M.R. Ayatollahi, S. Pirmohammad, and K. Sedighiani, “Three-dimensional finite element of a transverse top-down crack in asphalt concrete”, In J. of Computers and Concrete, 13(4), 2014, 569-585.
5 - M.R. Ayatollahi and S. Pirmohammad ,“Temperature effects on brittle fracture in cracked asphalt concretes”, In J. of Structural Engineering and Mechanics, 45 (1), 2013.
4 - M. Ameri , A. Mansourian , S. Pirmohammad , M.R.M. Aliha , and M.R. Ayatollahi , “Mixed Mode Fracture Resistance of Asphalt Concrete Mixtures”, Engineering Fracture Mechanics, 93, 2012.
3 - P. Hosseini-Tehrani and S. Pirmohammad, “Collapse study of a pair thin-walled prismatic column subjected to oblique loads”, International Journal of Automotive Engineering 1(4), 2011, 267-279.
2 - P. Hosseini-Tehrani, S. Pirmohammad, and M. Golmohammadi, ”Study on the collapse of tapered tubes subjected to oblique loads”, Proceedings of the Institution of Mechanical Engineering, Part D: Journal of Automobile Engineering, 222(11), 2008, 2025-2039.
1 - P. Hosseini-Tehrani and S. Pirmohammad,” Collapse study of thin-walled polygonal section to oblique loads”, Proceedings of the Institution of Mechanical Engineering, Part D: Journal of Automobile Engineering, 221(7), 2007, 801-810.

مقالات فارسی


برنامه هفتگی استاد در ترم جاری

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