📌قابلیت های جدید نرم افزار آباکوس (Abaqus 2019)🔸بخش اول/ اصلاحات در #مواد و المانها:
✅#المان هرمی مرتبه 2 جدید با نام C3D10 در #حلگر #صریح اضافه شده است که سرعت #محاسباتی آن از المان قبلی C3D10M بیشتر است.
✅المان جدید SHEAR4 در حلگر #استاندارد اضافه شده است که برای مدل سازی سازه های #جدار_نازک تقویت شده نظیر #بدنه #هواپیما کارآمدتر است.
✅ماده #هایپرفوم که پیش از این تنها در حلگر صریح قابل استفاده بود، در حلگر استاندارد نیز اضافه شده است. به این ترتیب امکان انتقال نتایج بین دو حلگر وجود دارد (مثل پیش بار استاتیکی و #ضربه).
✅در حلگر صریح، امکان تعریف شروع و رشد #خرابی در مدل #آسیب #پلاستیسته #بتن فراهم شده است.
#Concrete #Abaqus #Explicit #Standard #Plastisity #Failure #Damage #Element #Material
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یه مقایسه جالب از توانمندی شبیه سازی رفتار خرابی و پساخرابی بتن تقویت شده تحت بار خمشی
3 نرم افزار اباکوس، انسیس و ال اس داینا در این تحقیق مقایسه شدن.
Which #FEM #software more capable to #model the post failure behavior of reinforced #concrete #construction?
To answer this #question, a reinforced concrete #beam has been simulated under bending, up to #collapse, in three FEM software, namely: #ANSYS, #ABAQUS, and #LSDYNA.
Credit: Tammam Bakeer
3 نرم افزار اباکوس، انسیس و ال اس داینا در این تحقیق مقایسه شدن.
Which #FEM #software more capable to #model the post failure behavior of reinforced #concrete #construction?
To answer this #question, a reinforced concrete #beam has been simulated under bending, up to #collapse, in three FEM software, namely: #ANSYS, #ABAQUS, and #LSDYNA.
Credit: Tammam Bakeer
👍1
BanuMusa | بنوموسی
MAT_072R3
*MAT_CONCRETE_DAMAGE_REL3
This is Material Type 72R3. The Karagozian & Case (K&C) Concrete Model - Release III is a three-invariant model, uses three shear failure surfaces, includes damage and strain-rate effects, and has origins based on the Pseudo-TENSOR Model (Material Type 16). The most significant user improvement provided by Release III is a model
parameter generation capability, based solely on the unconfined compression strength of the concrete. The implementation of Release III significantly changed the user input, thus previous input files using Material Type 72, i.e. prior to LS-DYNA Version 971, are not compatible with the present input format.
An open source reference, that precedes the parameter generation capability, is provided in Malvar et al. [1997]. A workshop proceedings reference, Malvar et al.
[1996], is useful, but may be difficult to obtain. More recent, but limited distribution reference materials, e.g. Malvar et al. [2000], may be obtained by contacting Karagozian & Case.
Seven card images are required to define the complete set of model parameters for the K&C Concrete Model. An Equation-of-State is also required for the pressure-volume strain response. Brief descriptions of all the input parameters are provided below, however it is expected that this model will be used primarily with the option to automatically generate the model parameters based on the unconfined compression strength of the concrete. These generated material parameters, along with the generated parameters for *EOS_TABULATED_COMPACTION, are written to the d3hsp file.
منبع: راهنمای ال اس داینا
#concrete #material #lsdyna
This is Material Type 72R3. The Karagozian & Case (K&C) Concrete Model - Release III is a three-invariant model, uses three shear failure surfaces, includes damage and strain-rate effects, and has origins based on the Pseudo-TENSOR Model (Material Type 16). The most significant user improvement provided by Release III is a model
parameter generation capability, based solely on the unconfined compression strength of the concrete. The implementation of Release III significantly changed the user input, thus previous input files using Material Type 72, i.e. prior to LS-DYNA Version 971, are not compatible with the present input format.
An open source reference, that precedes the parameter generation capability, is provided in Malvar et al. [1997]. A workshop proceedings reference, Malvar et al.
[1996], is useful, but may be difficult to obtain. More recent, but limited distribution reference materials, e.g. Malvar et al. [2000], may be obtained by contacting Karagozian & Case.
Seven card images are required to define the complete set of model parameters for the K&C Concrete Model. An Equation-of-State is also required for the pressure-volume strain response. Brief descriptions of all the input parameters are provided below, however it is expected that this model will be used primarily with the option to automatically generate the model parameters based on the unconfined compression strength of the concrete. These generated material parameters, along with the generated parameters for *EOS_TABULATED_COMPACTION, are written to the d3hsp file.
منبع: راهنمای ال اس داینا
#concrete #material #lsdyna