زین الدینی, مصطفی
دانشگاه خواجه نصیرالیدین طوسی
[ 1 ] - ارزیابی روابط نیرو-تغییرمکان اعضای لوله‌ای فولادی تحت ضربه جانبی شبه‌استاتیکی سقوط اجسام
In the current study a numerical simulation approach has been chosen to simulate the force-deflection response of tubular member under lateral impact in the absence of internal pressure or axial force and the results have then been compared with analytical relations. Two series small scale experiments were carried out by the authors on X70 steel tubes and D/t of 22 and the numerical model has t...
[ 2 ] - برآورد احتمالاتی ظرفیت سکوهای دریایی نوع جاکت به‌کمک روش تحلیل امواج تصادفی افزایشی
based assessment of offshore jacket type platforms against wave loading. This approach can be employed to obtain a more realistic estimate for the ultimate capacity of offshore platforms, in comparison to the commonly used push-over analysis. On the other hand, ocean and sea waves are both random they are irregular in shape, height, speed, period and directions. Therefore, one of the most impor...
[ 3 ] - بررسی آزمایشگاهی و عددی حساسیت باربری محوری فشاری اعضای لوله‌ای فولادی به ناراستی‌های هندسی
In practice, steel tubulars lack a mathematically perfect cylindrical shape, due to non-uniformities introduced during the manufacturing process, construction methods, damages incurred in the transport. The imperfections might exist in the cross section and along the tubular member. Imperfections can greatly affect the behavior of tubular members. The work presented in this paper is perusing ef...
[ 4 ] - An Investigation into the Pull-out Failure Mechanisms of Suction Caissons
This paper reports results from an investigation into the suction caissons failure mechanisms under vertical pull-out loads. An insight to the failure mechanisms of suction caissons paves the path for developing analytical solutions to their pull-out capacity. The numerical models of suction caissons have first been calibrated by and verified against several experimental data from other researc...
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