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Contact Modeling in LS-DYNA

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Contact Modeling in LS-DYNA

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Details

Contact Modeling in LS-DYNA

Prerequisite: Attendees should have basic knowledge of LS-DYNA and the contact.
Objective: The aim of this class is to provide attendees with the framework and workflow of the contact in LS-DYNA®. This seminar helps the attendees understand the low level details of the contact and get proficient at contact modeling, debugging and fine tuning techniques.

Description:There are over 70 different contact algorithms implemented in LS-DYNA with various options and parameters. The default settings work smoothly for most models. For modern models, the contacts may take more than 40% of the CPU time plus waiting time. With the background details of contacts as well as the options and parameters, the attendees will create hands-on contact models to explore various modeling approaches with different contact types and options. The hands-on models will demonstrate the contact workflow and the difference between the options and parameters.


Durations: 2 Days
Language: Mandarin
Contents:
The following topics will be discussed with interactive sessions to the attendees understand the contact.

• Algorithms of contact types in LS-DYNA:
node-to-segment, beam-to-beam, and segment-to-segment
one-way,  smooth, automatic, surface-to-surface, single-surface
constraint, penalty, and backup penalty.

• Contact surface, projection and initial penetration treatment
tied, tied-break, offset, beam-offset, IGNORE, FTORQ, SRNDE

• Parallelization and Performance
smp, mpp, groupable, non-blocking, region, contact cost

• General practice
small vs big contact, bucket sort frequency, tracking slave nodes

• Debugging
contact thickness & stiffness, damping, ISOFT=0/1
Stability, TIEDID
Contact pair migration

• Performance tuning-up
timing and profiling


INSTRUCTORS:

Zhidong Han, Ph.D.


Course fee: 

1.CNY 4000 for each day including electronic class material and lunch.

2.Not including hotel fee.

3.The traning is hosted by LSTC and Shanghai Fangkun.

4.All participates will receive a course completion certificate issued by Livermore Software Technology Corp, US office and Shanghai Fangkun.


Contact:

             Elva Yu          Tel:18221209107
                                (021)61261195     4008533856   

    

About Shanghai Fangkun Software Technology Ltd.

        Shanghai Fangkun Software Technology Ltd. as the domestic master distributor authorized by LSTC, is fully responsible for domestic sales, marketing, technical support and engineering consulting services of LS-DYNA. Relying on strong technical support and product development capability of LSTC, by attracting a group of top LS-DYNA application engineers to join, with integrating and managing a wide range of resources such as LS-DYNA distributors and partners in China, Shanghai Fangkun provides strong technical support services for domestic LS-DYNA users, and facilitates customers to use LS-DYNA software for product design and development more efficiently.


About LS-DYNA

         LS-DYNA is a highly advanced general purpose nonlinear finite element program that is capable of simulating complex real world problems. The distributed and shared memory solver provides very short turnaround time on desktop computers and clusters running under Linux, Windows, and Unix. The major development goal of Livermore Software Technology Corporation (LSTC) is to provide, through LS-DYNA, capabilities to seamlessly solve problems that require "Multi-Physics", "Multi-Processing", "Multiple Stages", "Multi-Scale".


Organizer
Date & Location
Date:  2019-10-24 08:30 ~ 10-25 17:00
Location:   Pullman Shanghai South Hotel No.1 Pubei Road, Xuhui District, Shanghai, China, 200235, Xuhui, Shanghai