Solid Mechanics

Solid mechanics is the branch of mechanics, physics, and mathematics that concerns the behavior of solid matter under external actions (e.g.,... | Contact experts in Solid Mechanics to get answers

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Questions related to Solid Mechanics

How can I capture the shear response of an RC beam under four point bending test in Abaqus?

Hi colleagues, I am currently working on shear strengthening of reinforced concrete (RC) beams using CFRP wraps and FRCC jackets. As part of my research, I am performing a finite element method...

12 June 2024 3,643 5 View

Is there any method in Abaqus that can replace wire connectors to apply boundary conditions?

Currently, I control the rotation of moving objects around its own axis through a wire connector in ABAQUS. But due to the properties of the Abaqus connector, I am now looking for other ways to...

13 November 2023 8,940 2 View

Abaqus Python Script: How to extract values along path in odb-file?

"I would like to extract stress values for all steps along a defined path in Abaqus-Python. The path should be based on a node set, which, in turn, is based on an edge. How can I obtain the node...

13 July 2023 2,754 0 View

An Abaqus error: Lost connection to driverLM. Will not attempt recovery. Exiting. Why?

When I run INP files using bat. One of the INP files output an error, but the others are OK, how to solve it?

20 April 2023 9,519 1 View

How to expand a path labels in Abaqus?

A path format is like this in Abaqus Python script. path_1 = (23, '1602:1521:-1', 22, '1520:1489:-1', 21) How to expand the path to (23, 1602, 1601, .........., 1521, 22, 1520, 1519, ......,...

31 January 2023 3,343 1 View

What is the function space for pressure field in the Q2-P1 element?

Q2-P1 is one of the widely-used mixed elements for Stokes flow, and to a little extent for solid mechanics. What is the function space of the basis functions for the pressure field for this Q2-P1...

22 July 2020 3,888 4 View

Regarding COMSOL simple solid mechanics: Please help me out?

Q1. when I strain a soft and hard material together under a force suppose 50 N and then strain under 0.5 N. the strain value does not change much? how is this happening? as in the real world, the...

10 July 2020 9,706 8 View

Why the material time derivative of a material field 𝐹 equals to the directional derivative of 𝐹 in the direction of the velocity vector 𝑣 ?

Hi guys! I am recently reading Nonlinear Solid Mechanics A Continuum Approach for Engineering by Gerhard A. Holzapfel, Chapter 2.3 and was confused with one equation. You can refer to this...

27 June 2020 5,394 2 View

Is it possible to couple fluid flow, heat transfer, phase change and mechanical stresses on the solidifying shell using COMSOL Multiphysics?

I am trying to simulate DC Casting of Aluminum Alloys in Comsol. I found an example related to Continuous Casting that it couples fluid flow, heat transfer and phase change during solidification...

29 March 2020 3,370 4 View

What are the challenges and/or pros and cons of designing any rebar-element in Abaqus(or any similar FEM-software), as SOLID-element or WIRE-element?

Regarding modelling any reinforced concrete solid element (i.e. a R.C.Beam, R.C.Column, shear-wall, etc.) in the commercial Finite Element program Abaqus FEA (and/or any similar...

24 March 2020 589 3 View

Is there an analytical torsional rigidity equation for a three layer isotropic beam?

I'm looking for the torsional rigidity of a three layer isotropic beam like the one seen in the figure. I looked at Muskhelishvili's book from 1963, but that solution is only for a two layer...

09 March 2020 2,098 6 View

In comsol is it possible to set a BC for a couple of seconds and then release it?

As states i am running a time-dependent simulation in solid mechanics. I want to set a prescribed displacement to zero for the first 0.05s and then release it to free. Is there any way that I can...

24 February 2020 7,324 3 View

In comsol is it possible to set a BC for a couple of seconds and then release it?

As states i am running a time-dependent simulation in solid mechanics. I want to set a prescribed displacement to zero for the first 0.05s and then release it to free. Is there any way that I can...

02 February 2020 10,201 3 View

Requested output variable in ABAQUS, such as SDEG and STATUS are not updating even when the damage evolution happens and elements are deleted?

Requested output variable in ABAQUS, such as SDEG and STATUS are not updating even when there is damage evolution and elements are deleted. Does anyone ever faced this issue? Can you share how you...

30 January 2020 1,901 0 View

Difference between high temperature oxidation and corrosion ?

Dear Sir /Madam We generally receive fire accident cases where we find some steels structures /Mechanical components /motor engine parts/ motor body parts Our challenge is to find out part is...

03 January 2020 8,631 1 View

How to define a viscoelastic material in COMSOL ?

nnow we have DMA test data of our sample PPS material and the storage module and loss module are so so calculated , but how to define our PPS material in some FEM tools...

28 December 2019 1,655 4 View

How to define a viscoelastic material in COMSOL ?

nnow we have DMA test data of our sample PPS material and the storage module and loss module are so so calculated , but how to define our PPS material in some FEM tools...

12 December 2019 7,068 4 View

Do stiff mechanical systems (e.g. rock) react faster on stress rate changes than soft systems (e.g. soil)?

I have a rock specimen and a soil specimen. During my mechanical measurements I observed that the rock reacts much faster on stress rate changes (observable by a sharp kink in the deformation...

10 October 2019 4,900 3 View

Do stiff mechanical systems (e.g. rock) react faster on stress rate changes than soft systems (e.g. soil)?

I have a rock specimen and a soil specimen. During my mechanical measurements I observed that the rock reacts much faster on stress rate changes (observable by a sharp kink in the deformation...

01 October 2019 3,146 5 View

Uniaxial compressive strength of Westerly granite?

What is the uniaxial compressive strength of westerly granite? References would be appreciated.

09 September 2019 8,773 2 View

How do I calculate the Reduced Young's Modulus in contact mechanics?

Hello. I have begun studying Contact Mechanics very recently, and I am having trouble in understanding the Reduced Young's Modulus (E*). I have looked at several different books, and I haven't...

24 July 2019 1,499 4 View

Boundary condition on a solid surface under traction/compression ?

Hello, I have a block of solid material in which an elastic wave is propagating. On one side of the block I maintain a static surface stress (the agent causing this stress is external to the...

19 July 2019 8,511 7 View

Which COMSOL module should be purchased for high-frequency ultrasound analysis of soft material?

Hi, I am using COMSOL multiphysics 5.3a to model high-frequency ultrasound analysis of soft material. I was coupling Acoustics and Solid Mechanics physics for my modeling. During the simulation,...

24 April 2019 8,033 3 View

What are the best polynomial approximation functions for analyzing free vibration and impact analysis of plates?

I want to do a free vibration analysis for a plate. In this research, I want to use the Ritz method. For Ritz-shape functions, which are the best polynomial functions that give the most accurate...

11 April 2019 2,835 5 View

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