Difference between revisions of "Nonlinear Imperfect Interface"

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== Description ==
== Description ==


This [[Contact Laws#Imperfect Interface Contact Laws|imperfect interface contact law]] implements an imperfect interface with tractions that depend on displacement discontinuities at the interface. It is currently the same as the [[Linear Imperfect interface]] except the implementation is done differently. It is more approximate, but likely very close to linear law and possibly faster. In the future, this law (or subclasses of this law) will add actual non-linear traction laws.
This [[Contact Laws#Imperfect Interface Contact Laws|imperfect interface contact law]] implements an imperfect interface with tractions that depend on displacement discontinuities at the interface. It is currently the same as the [[Linear Imperfect Interface]] except the implementation is done differently. It is more approximate, but likely very close to linear law and possibly faster.
 
The main purpose of this contact law is to use is as a parent class for [[Creating a Custom Imperfect Interface Law|creating your own custom imperfect interface contact law]].


== Properties ==
== Properties ==
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! Property !! Description !! Units !! Default
! Property !! Description !! Units !! Default
|-
|-
| Dnt (or Dn), Dnc, and Dt || See  [[Linear Imperfect interface#Properties}Linear Imperfect interface]] properties  || [[ConsistentUnits Command#Legacy and Consistent Units|pressure/length units]] || -1
| Dnt (or Dn), Dnc, and Dt || See  [[Linear Imperfect Interface#Properties|Linear Imperfect interface]] properties  || [[ConsistentUnits Command#Legacy and Consistent Units|pressure/length units]] || -1
|-
|-
| order || Specify order of approximation to interface laws as zeroth (0) or first (1) order || none || 1
| order || Specify order of approximation to interface laws as zeroth (0) or first (1) order || none || 1

Latest revision as of 11:15, 14 April 2018

Description

This imperfect interface contact law implements an imperfect interface with tractions that depend on displacement discontinuities at the interface. It is currently the same as the Linear Imperfect Interface except the implementation is done differently. It is more approximate, but likely very close to linear law and possibly faster.

The main purpose of this contact law is to use is as a parent class for creating your own custom imperfect interface contact law.

Properties

The properties for this law are:

Property Description Units Default
Dnt (or Dn), Dnc, and Dt See Linear Imperfect interface properties pressure/length units -1
order Specify order of approximation to interface laws as zeroth (0) or first (1) order none 1

Examples

 Material "interfaceID","My Imperfect Interface","NoninearInterface"
   Dn 500
   Dt -1
   order 1
 Done