نتایج جستجو برای: strut and tie model

تعداد نتایج: 17168328  

Journal: :Revista IBRACON de Estruturas e Materiais 2021

abstract: Pile caps are structural elements used to transfer loads from the superstructure a group of piles. The design is normally based on analytical formulations, considering strut and tie method. Through advance computational technology, use an integrated soil foundation model may suggest behavioral trend obtain more realistic modeling for element being studied. This work aimed at analyzing...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه سیستان و بلوچستان - دانشکده برق و کامپیوتر 1392

abstract nowadaysphotovoltaic solar cells (pvs) areacknowledged the fastest growing energy technology in the word, however, they only account for only fraction of current global renewable energy capacity. it isrecognized that this incomplete market penetration has been largely a result of the technology’sexcessive cost. so researchers are trying to find innovative, economic way with theaim of ...

Journal: :Circulation 2005
Brinda Balakrishnan Abraham R Tzafriri Philip Seifert Adam Groothuis Campbell Rogers Elazer R Edelman

BACKGROUND The intricacies of stent design, local pharmacology, tissue biology, and rheology preclude an intuitive understanding of drug distribution and deposition from drug-eluting stents (DES). METHODS AND RESULTS A coupled computational fluid dynamics and mass transfer model was applied to predict drug deposition for single and overlapping DES. Drug deposition appeared not only beneath re...

ژورنال: :مهندسی عمران مدرس 0
رضا آقایاری استادیار گروه عمران دانشگاه رازی کرمانشاه ابوالفضل عربزاده دانشیار گروه سازه دانشگاه تربیت مدرس کیانا زنگنه زاده دانشجوی کارشناسی ارشد سازه دانشگاه رازی

در این مقاله رفتار تیرهای عمیق بتن مسلح با مقاومت بالا به صورت آزمایشگاهی بررسی شد. بدین منظور 5 نمونه تیر عمیق بتن مسلح با مقاومت فشاری 60 مگاپاسکال تحت اثر بار گسترده مورد آزمایش قرار گرفت. تیرهای آزمایشگاهی در دو انتها دارای تکیه گاه ساده و با آرماتورهای برشی قائم به فواصل مساوی تقویت شده بودند. آرایش آرماتورهای برشی نمونه ها یکسان ولی قطر آنها متفاوت بود. در طول آزمایش رفتار کلی نمونه های آ...

2015
Jung-Seob Lee Dong Chang Lee Dong Heon Ha Sung Won Kim Dong-Woo Cho

In septal surgery, the surgeon preserves the L-strut, the portion anterior to a vertical line drawn from the rhinion to the anterior nasal spine (ANS) and at least a 1-cm width of the dorsal and caudal septal segment, to decrease the potential for loss of the tip and dorsal nasal support. However, nasal tip collapse and saddle deformities occur occasionally. We utilized a mechanical approach to...

2014
Mahmoud Karimi Paul Croaker Nicole Kessissoglou Con Doolan Steffen Marburg

The self-noise generated by a sharp-edged strut immersed in low Mach number flow is predicted using a hybrid computational fluid dynamics (CFD) boundary element method (BEM) technique. The fluctuating flow field is obtained using an incompressible CFD solver. A high-order reconstruction scheme is used to extract acoustic sources based on Lighthill’s analogy from the flow field data. Acoustic wa...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه گیلان - دانشکده علوم انسانی 1392

this study investigated how group formation method, namely student-selected vs. teacher-assigned, influences the results of the community model of teaching creative writing; i.e., group dynamics and group outcome (the quality of performance). the study adopted an experimental comparison group and microgenetic research design to observe the change process over a relatively short period of time. ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه تبریز 1381

deposite the different criticisms on contrastive analysis it has been proved that the results of it(when processed)can be usuful in a tefl environment,specially at the level of phonology.this study is an attempt to compare and contrast the sound systems of kurdish and english for pedagogical aims. the consonants,vowels,stress and intonation of the twolanguages are described by the same model-ta...

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