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Discussions and questions about different material models.

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Bergstrom-Boyce Model 41 / 126

Eight-Chain Model 5 / 10

Hybrid Model 9 / 10

General Hyperelastic Models 31 / 107

Thermoplastics Modeling 7 / 19

Viscoelasticity 117 / 404

Failure Analysis 24 / 56

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Determination of viscoelastic parameters (Prony or relaxation test data)

Topic Tags: Viscoelasticity, Prony series, Relaxation test, Viscoelastic model,

Viscoelasticity

2

130

<img alt="Kate19" alt='' src='https://secure.gravatar.com/avatar/06397c77f48159c1d11adebc53846003?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/06397c77f48159c1d11adebc53846003?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo lazyload lazyload' height='40' width='40' />

<img alt="shabnam.kiasat" alt='' src='https://secure.gravatar.com/avatar/87be6abc928c627792d492b7dcce7c7b?s=24&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/87be6abc928c627792d492b7dcce7c7b?s=48&d=mm&r=g 2x' class='avatar avatar-24 photo lazyload lazyload' height='24' width='24' />

1 day ago

1 day ago

The rate-equation for viscous flow in BB model

Topic Tags: Bergstrom-Boyce model,

Bergstrom-Boyce Model

0

45

<img alt="Carl" alt='' src='https://secure.gravatar.com/avatar/21ed90e5ac84401f34642494d2aa6c96?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/21ed90e5ac84401f34642494d2aa6c96?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo lazyload lazyload' height='40' width='40' />

Dec 28

Dec 28

Analytical calculations involving hyperelastic materials

Topic Tags: hyperelastic, Mooney-Rivlin, analytical, tension,

General Hyperelastic Models

0

80

<img alt="Stretch_em" alt='' src='https://secure.gravatar.com/avatar/b40d26dd0fdcb00e969f4576b78bea24?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/b40d26dd0fdcb00e969f4576b78bea24?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo lazyload lazyload' height='40' width='40' />

Dec 19

Dec 19

3D fractional viscoelastic springpot

Viscoelasticity

2

276

<img alt="paramesh" alt='' src='https://secure.gravatar.com/avatar/ca6996b96d8c4188549ae13f5d2c134e?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/ca6996b96d8c4188549ae13f5d2c134e?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo lazyload lazyload' height='40' width='40' />

<img alt="paramesh" alt='' src='https://secure.gravatar.com/avatar/ca6996b96d8c4188549ae13f5d2c134e?s=24&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/ca6996b96d8c4188549ae13f5d2c134e?s=48&d=mm&r=g 2x' class='avatar avatar-24 photo lazyload lazyload' height='24' width='24' />

Dec 08

Dec 08

Python Implementation issue of Small Strain Linear Viscoelasticity from "Mechanics of Solid Polymers

Topic Tags: Jorgen Bergstrom, Viscoelasticiy, Python,

Viscoelasticity

2

717

<img alt="aravinda" alt='' src='https://secure.gravatar.com/avatar/e08d4a7625f92675bf7a751c43fcb74a?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/e08d4a7625f92675bf7a751c43fcb74a?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo lazyload lazyload' height='40' width='40' />

<img alt="meunieo" alt='' src='https://secure.gravatar.com/avatar/0b7dca84b95c8963ca34442379ee530e?s=24&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/0b7dca84b95c8963ca34442379ee530e?s=48&d=mm&r=g 2x' class='avatar avatar-24 photo lazyload lazyload' height='24' width='24' />

Nov 24

Nov 24

PRF model - How to model permanent plastic deformation?

Topic Tags: PRF, MCalibration, material model,

Thermoplastics Modeling

4

342

<img alt="Gorjin" alt='' src='https://secure.gravatar.com/avatar/b3fb590c7277044ea46959502a7cd6e5?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/b3fb590c7277044ea46959502a7cd6e5?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo lazyload lazyload' height='40' width='40' />

<img alt="Jorgen" alt='' src='https://secure.gravatar.com/avatar/04b28cceea10432fdd5d4d3d1a816e77?s=24&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/04b28cceea10432fdd5d4d3d1a816e77?s=48&d=mm&r=g 2x' class='avatar avatar-24 photo lazyload lazyload' height='24' width='24' />

Nov 12

Nov 12

Holzapfel Gasser Ogden VUMAT with damage

Topic Tags: Hyperelastic, Damage, Holzapfel, VUMAT, convert,

General Hyperelastic Models

2

336

<img alt="Maarten893" alt='' src='https://secure.gravatar.com/avatar/7080cf1faa2ad81cff8fd544d78e29f9?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/7080cf1faa2ad81cff8fd544d78e29f9?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo lazyload lazyload' height='40' width='40' />

<img alt="Jorgen" alt='' src='https://secure.gravatar.com/avatar/04b28cceea10432fdd5d4d3d1a816e77?s=24&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/04b28cceea10432fdd5d4d3d1a816e77?s=48&d=mm&r=g 2x' class='avatar avatar-24 photo lazyload lazyload' height='24' width='24' />

Nov 12

Nov 12

Error in getting Prony parameters in ABAQUS for visco material from creep test data from nanoindentation

Topic Tags: abaqus,

Viscoelasticity

1

433

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<img alt="Jorgen" alt='' src='https://secure.gravatar.com/avatar/04b28cceea10432fdd5d4d3d1a816e77?s=24&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/04b28cceea10432fdd5d4d3d1a816e77?s=48&d=mm&r=g 2x' class='avatar avatar-24 photo lazyload lazyload' height='24' width='24' />

Nov 12

Nov 12

Viscoelastic and linear elastic comparison

Topic Tags: Viscoelastic model, Abaqus, linear elastic, gear, contact simulation,

Viscoelasticity

1

296

<img alt="karthik.a@iitg.ac.in" alt='' src='https://secure.gravatar.com/avatar/8ca94f76fa6602e6f11b5fe4c9894973?s=40&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/8ca94f76fa6602e6f11b5fe4c9894973?s=80&d=mm&r=g 2x' class='avatar avatar-40 photo lazyload lazyload' height='40' width='40' />

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Nov 12

Nov 12

DMA load cases run faster if split up

Thermoplastics Modeling

1

213

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<img alt="Jorgen" alt='' src='https://secure.gravatar.com/avatar/04b28cceea10432fdd5d4d3d1a816e77?s=24&d=mm&r=g' srcset='https://secure.gravatar.com/avatar/04b28cceea10432fdd5d4d3d1a816e77?s=48&d=mm&r=g 2x' class='avatar avatar-24 photo lazyload lazyload' height='24' width='24' />

Nov 12

Nov 12

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