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

Is there any elastic-plastic explicit model for RC beams?

Dear all.. Is there any elastic-plastic explicit model for the numerically treatement of bending reinforced concrete beams? The children in the class shall have to know Sincerly..

09 April 2017 2,132 5 View

When does Abaqus use the Total Lagrangian and when the Updated Lagrangian formulation?

Total and Updated Lagrangian formulations are generally available for both the implicit and nonlinear explicit dynamic analysis. But when is which applied? Does Abaqus mix them?

06 April 2017 6,739 6 View

In ABAQUS; Continuum shell; Homogenous section (0/90/0) composite plate, error as “Stiffness defined by type=LAMINA is not physically reasonable”?

Hi, I’m trying to model a simply supported square cross-ply (00/900 and 00/900/00) laminated plate and subjected to thermal gradient in ABAQUS, I have to trace the normal stress (Sxx, Syy ie...

06 April 2017 7,447 2 View

Deformation gradient in umat subroutine ?

Hi all, i'm coding a umat for hyper-viscoelastic behaviour and i wonder what formula use for the exact deformation gradient tensor F since dfgdr0 and dfgrd1 passed into the umat (according to...

05 April 2017 7,890 2 View

Is there a way to apply specific displacement to elements in explicit VUMAT subroutine ?

In the vumat subroutine the increment is applied to a chunk of elements. For some condition calculated by the stress based criteria, how can I ask selected nodes to expand as I want? Should the...

04 April 2017 1,053 1 View

How to create silent boundary using infinite elements for the asphalt pavement structure in ABAQUS ?

I need to create silent boundaries using infinite element (CIN3D8) in my ABAQUS model in the way it is shown in attached file at points A, B, C, D, E. Please help me with this.

04 April 2017 1,131 2 View

How does abaqus calculate deformation gradient in presence of thermal expansion ?

When we only have mechanical loading, I understand that abaqus calculates the total deformation gradient using F = I + partial_U/partial_X and U = N_i*U_i where U_i is the displacement at the...

04 April 2017 9,620 1 View

Trying to Get Buckling Working in Abaqus with Contact being Modelled

Hi there Trying to model a metal-coated polymer cylinder in axial compression using axisymmetric modelling in Abaqus, while assuming no adhesion between the metal coating and polymer core. I...

04 April 2017 4,149 3 View

Could I use C3D8R element instead of C3D8 to reduce simulation time in Abaqus ?

I am doing an FE simulation of a polycrystal ( uniaxial). I currently am using C3D8 elements to simulate the same. I would like to reduce the simulation time, Hence I am planning to use a C3D8R (...

04 April 2017 5,132 7 View

How can I determine the parameters of steel material in PERFORM 3D software?

In the attached picture, there are Trilinear Relationship and related parameters of steel material in PERFORM 3D software. How to determine these parameters (compression stress FY, FU; compression...

04 April 2017 3,387 0 View

I am working with ABAQUS .. Is it possible to simulate surface to surface contact between reinforcement and concrete in reinforced concrete element?

In general , constraint embelded region is used to model bond between reinforcement and concrete. But I have to model surface to surface contact between reinforcement and concrete to model bond...

04 April 2017 9,011 4 View

How to release weight of slab?

i am modelling a concrete slab on a base in abaqus.now in step initial i set temperature of top and bottom layers both as zero.then in coupled temp-displacement step i chnge the temp of top and...

04 April 2017 4,589 1 View

How to find beam properties like moment of inertia, polar moment of inertia, E, G, A from its 3D beam element stiffness matrix?

Hello, I have condensed a Finite element model from 8 nodes with 6 dof at each node into 2 nodes with 6 dof at each node using a static condensation method (or Guyan reduction). Now i would like...

04 April 2017 3,883 6 View

How can I include the Residual stress in ABAQUS?

Dear Friends, I am using Abaqus CAE to model I-Section steel Brige Girder. I want to include the residual stress (due to the welding between flange and web) into my model. I've got the...

04 April 2017 430 1 View

Has anyone ever used the tangent stiffness method (Santathadaporn and Chen) to develop moment-curvature relationships for a composite steel section?

I have a steel section comprised of CFRP sheets (Fy= 250 ksi, E= 20000 ksi) and a WF steel beam (Fy= 50 ksi, E= 29000 ksi). My computer program develops the moment-curvature relationship for the...

04 April 2017 9,426 4 View

Is shell element with shear stiffness(MAT1 with MID3 in NASTRAN) equivalent to using thick element?

if i am analysing a long member which has a sudden increase in cross section, it is advisable to use s solid mesh. Is it any different than solving this scenario with shell elements having no...

04 April 2017 7,266 2 View

How to use SOLID185 element for simulation of concrete in ANSYS workbench?

I am working on structural analysis of steel reinforced concrete project in ANSYS workbench. which type of elements will be better to simulation of concrete?

04 April 2017 7,288 7 View

Experimental modal analysis results?

Hello everyone, Is it possible to estimate the stiffness properties of a system knowing that all we have is the mass of the system and accelerations mesured by accelerometres in 3 points. thank you.

04 April 2017 2,089 3 View

How to give surface to surface Cohesive interaction in abaqus Explicit analysis?

how can I use Cohesive behavior, damage initiation and damage evolution??. surface based cohesion behaviour cannot supported in explict analysis?

04 April 2017 3,702 2 View

Why the spring element which I defined in Abaqus is not working right?

Hello, I am trying to do a dynamic explicit analysis where I defined a spring (from engineering features > springs dashpots) between two plates. I placed two reference points at the centers of...

04 April 2017 4,395 5 View

Bad deformed mesh?

Dear all, Do you have any idea about the weird deformed elements I am getting for for soil? It is a piled-raft foundation. I have interaction between soil and pile and tie constraint between raft...

04 April 2017 6,710 3 View

How to draw the Yong's modulus along an arbitary direction for a 2D system?

Hi, every one. I want to draw the Yong's modulus along an arbitary direction for a 2D system acoording to the formula provided by the reference shown in attachmental Figure. In the formula the...

04 April 2017 3,209 2 View

Is it possible to change the tolerance on the iterations in Abaqus for an implicit dynamic analysis?

I' d like explore how the tolerance setting on the Newton-iterations affects the accuracy of the analysis.

04 April 2017 6,053 3 View

How to use Abaqus to model nonfluid particles?

On Abaqus, I have a macroscopic viscoelastic beam build in on one end with an array of microscopic, magnetic beads fixed to the surface of the beam. I need to model how much deflection will be at...

04 April 2017 7,088 1 View

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