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Questions related from Paritosh Hebbal
Hello everyone, I am currently performing some experiments on thin (0.5 - 1mm thickness) elastomer layers reinforced with aramid fabric to identify its mechanical properties under equi-biaxial...
04 April 2022 972 0 View
Hello everyone, In Abaqus, my model uses shell elements. After the simulation when I try to compare the principal stresses, there are 4 possibilities : 1. Max In-plane Principal 2. Max...
14 September 2018 3,854 3 View
Hello everyone, In my model (predominantly rubber), I get a maximum strain of around 15% compared to the initial state. I have experimental data for the rubber compound I am using, and I want to...
14 August 2018 633 3 View
Hello everyone, I would like to know how to view the beam section forces in the axial direction of the beam. I have selected SF in the output field variables, and am not sure if SF1 means axial...
30 July 2018 7,258 3 View
Between and Elastic-Isotropic model with a low young's modulus, and a Hyperelastic Material that fits best with experimental data, what model (overall) gives relatively good results with less...
02 June 2018 6,560 3 View
Hello Everyone, I have the effective properties of a material (E1, E2.. v12, etc) as a function of the strain (epsilon11, epsilon22, epsilon12) as shown in the figure. I want to apply these...
31 May 2018 6,256 2 View
Hello, I am modeling a yarn-knitted reinforced rubber hose in Abaqus, in order to measure the expansion and burst pressure. As seen in my model, I have used BEAM section for the aramid cords,...
25 May 2018 4,389 1 View
Hey guys, I have a RVE (representative volume element) where the matrix is rubber (highly nonlinear). I want to run my analysis with the NLGEOM option ON. What I want to understand is, after...
13 May 2018 5,877 2 View
Hello Everyone, I am trying to model a representative volume element (RVE) at the mesoscopic scale for yarn-knitted hoses in abaqus. The geometric model looks something like this. The "matrix"...
11 May 2018 3,280 1 View
Hello everyone, I plan to model a knitted reinforcement within a rubber hose in Abaqus in order to analyse the various stresses sustained by them during hose expansion. I am wondering whether to...
09 May 2018 303 8 View
Hello everyone, I plan to create a GUI in python (or any suggested tool) which essentially reads a huge collection of data from a CSV table, so that when the user selects a certain combination of...
06 May 2018 5,580 2 View
I have imported this model from a CAD program. I am having difficulty meshing it. I would really love any suggestions as to how I can go about achieving the following : 1. The model is symmetric...
16 April 2018 7,827 3 View
I am in a sticky situation. I have been given a UMAT which describes a material in abaqus. I am fairly new to it, but the problem is that the UMAT has been written by at least 4 people, over a...
12 April 2018 474 3 View
I have a thin, circular solid part to which I have assigned beam property, with a circular beam profile. In Abaqus, for a circular beam profile, only the radius can be inputted. Is there a way I...
26 March 2018 8,680 3 View
During the course of my analysis, my model expands in one direction (XX) and contracts in the other (YY). I want to simply measure the "expansion/contraction" of my model in XX and YY directions...
08 March 2018 1,423 2 View
Hi everyone, I am trying to determine the burst pressure of a rubber hose. I have described the rubber as a Hyperelastic Yeoh material in abaqus, along with the constants. I will be providing...
16 February 2018 1,297 5 View
Hi everyone, I have a huge database of results for thousands of simulations that I have run in Abaqus. I want to write a lookup table in Python which will make it wasier for the user to plug in...
07 February 2018 6,240 3 View
I am trying to model a knitted hose with Aramid (Example attached with this question). For the hose (outer and inner surfaces), I plan to use conventional shell elements (S4R), and for the...
05 February 2018 6,693 1 View
I am trying to understand how Aramid works as a reinforcing fabric, especially for composite tubes. What I want to know : should the Young's modulus of aramid be lower BEFORE weaving the aramid...
05 February 2018 2,506 3 View
I am performing a simulation of a cylindrical rubber tube under internal pressure. The maximum pressure that can be reached is -1 bar. At a pressure of -0.27 bar, self-contact occurs and continues...
01 February 2018 7,951 1 View
Hello everyone, I am trying to perform a fairly simple simulation that involves the 'evacuation' of a hose (tube). Basically, the hose is made of rubber and I am giving a pressure load condition...
26 January 2018 1,864 2 View