Back to products
FEM Validation
FEM Validation & Verification (V&V) with papers or experiments to accelerate the learning process and do real practical finite element projects.
3D Hashin VUMAT Subroutine for Abaqus with Exponential Damage Evolution
3D Hashin Failure CriteriaĀ VUMATĀ with Exponential Damage Evolution in Abaqus
In order to effectively describe the progressive intralaminar and interlaminar damage for FRP composite laminates, a three-dimensional progressive damage model for composite laminates to be used for low-velocity impact is presented. it is based on continuum damage mechanics (CDM) and was developed and implemented in the VUMAT user subroutine of ABAQUS/Explicit. The nonlinear damage model can be used to analyze the dynamic performance of the composite structure and its failure behavior. For the intralaminar damage, as a function of the energy release rate, the damage model in an exponential function can describe the progressive development of the damage. The VUMAT subroutine is validated by well-known papers and can be used in any simulation.Contents
- Tensile Test Validation (*.cae, *.inp, *.jnl, *.odb)
- Compression Test Validation (*.cae, *.inp, *.jnl, *.odb)
- Shear Test Validation (*.cae, *.inp, *.jnl, *.odb)
- Low-Velocity Impact Validation (*.cae, *.inp, *.jnl, *.odb)
- 3D Hashin VUMAT Subroutine with Exponential Damage Evolution (*.for, *.f)
- User manual (*.pdf)
- Download Presentation
- Video (*.mp4)
- Guarantee up to 3 years
VUMAT Subroutine: Shear modified GursonāTvergaard-Needleman GTN damage model
In this product, The modified GTN model proposed by Gatea et al. was implemented in Abaqus software using VUMAT subroutines. In this model, in addition to the original GTN model, the effects of plastic anisotropy and shear have been added to increase the accuracy of solving this damage model.
Contents
- User documentation (PDF)
- Abaqus files (*.cae, *.inp, *.jnl, *.odb)
- Fortran file (*.for)
- GTN damage material data (*.xls)
3D Hashin USDFLD Subroutine Failure Criteria for Abaqus
3D Hashin USDFLD Subroutine use to predict 3D Hashin composite damages. it is a functionally validated USDFLD subroutine that the results are compared with the Chang & Lessard failure criterion which is available in Abaqus documentation.Ā This code identifies four damage modes including matrix tension, matrix compression, fiber tension, and fiber compression using the elastic constants with the degraded values.
Contents
- Abaqus files (*.cae, *.inp, *.jnl, *.odb)
- USDFLD subroutine (*.for)
- Manual (*.pdf)
- Free technical support (3 months)
3D modelling of Low-Velocity Impact FRP Laminate with LS-Dyna
In this training package, we have tried to cover all the tips and tricks that are required by the user when modeling low-velocity impact on FRP composite laminates with LS-Dyna. Material models for composite & cohesive are available in the LS-Dyna and its parameters are described. Also, the modeling methods of geometry, FRP, cohesive, contacts &, etc. are explained one by one. Finally, in a comprehensive example, the LS-Dyna model is validated by Guo et al. (2013) paper. All the modeling & results files, as well as a tutorial training video, are included in this package.
Coupled thermal stress analysis of a disc-pad brake
In this Abaqus tutorial package, a solid disk brake of a Red Flag CA7220 car with initial rotational velocity will contact a disk pad. Effects of friction will be an increase of disk temperature due to heat generated by energy dissipation and the reduction of rotational velocity. The numerical results were validated by the Gao & Lin, (2002) paper.
Contents
- Step-by-step training video which describes theories behind and how to model (*.mp4)
- Abaqus files (*.cae, *.inp, *.jnl, *.odb)
- Abaqus lecture notes (*.pdf)
- Guarantee up to 3 months
Abaqus Validation: Shot peening induced residual stresses using ABAQUS
This package describes a three-dimensional dynamic finite element (FE) study of single-shot impacting on a metallic component using Abaqus/CAE software. The prediction is validated by comparison with results from the published literature by Meguid et al. (1999).
