geardyn.1
geardyn.1
Eminent Member
Joined: November 9, 2019 8:02 am
Last seen: May 20, 2022 6:39 pm
Topics: 0 / Replies: 28
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Replies: 1
Views: 135
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RE: Bird impact on rigid plate - Contact Issue

include * CONTROL_SPH card . . . ( here NMNEIGH should be varied accordingly ) Also your Lsdyna Version matters.

11 months ago
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RE: Contact type to choose for bird to parallel plate impact

also check out this link which is similar to your work for additional details :

11 months ago
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RE: Axisymmetric element

impact between a projectile and a plate is highly non-linear problem and requires a great care to achieve convergence . instead of using 2D axisymmetr...

11 months ago
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RE: Contact Penetration

use *CONTACT_INTERIOR or USE Single surface contact as well

11 months ago
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RE: Contact type to choose for bird to parallel plate impact

Eroding contact should work fine , check the parameters in the contact card.

11 months ago
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RE: Advice for entering a CAE field

your statement that companies use primer / hyperworks tools ONLY is partially correct. while many automobile companies use mentioned tools in addition...

11 months ago
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RE: What are the different criteria for element to get erode and how la Dyna algorithm works in material errosion

mat_add_erosion works well with Metallic materials. it works on : Stress dependent erosion strain dependent erosion Time dependent erosion

2 years ago
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RE: How to learn LS-Dyna (LS-Prepost)

Contact me on geardyn.1@gmail.com for other models/ tutorials.

2 years ago
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RE: Tension test

use implicit approach : give the displacement as input boundary condition. if okay please send the input to geardyn.1@gmail.com . i will have a loo...

2 years ago
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RE: Problem in reading intfor

activate SPR & MPR in the contact card also.

2 years ago
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RE: How to learn LS-Dyna (LS-Prepost)

Hi , there are many online links available to learn LS-Prepost . However you need to practice the saving the input file and Giving the calcuation r...

2 years ago
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RE: FEA meshing algorithms

hi , ls-prepost has an in built meshing algorthm.... Also you can use Hypermesh to mesh the components

2 years ago
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RE: Change user interface

just press : F11 or Function+F11 it will work ....!!!

2 years ago
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RE: Error "severe (157): Program Exception - access violation"

try to use mortar contact. check your unit consistency system ... use the latest version of the solver . recently our team had did a similar case...

2 years ago
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