Ignore Contact Law - Revision history

Nairnj: /* Properties */

2025-12-03T18:55:30Z

Properties

← Older revision		Revision as of 18:55, 3 December 2025
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	== Properties ==		== Properties ==

	This contact law has no properties that ~~need to~~ be set.		This contact law has no properties that can be set.

Nairnj: /* Description */

2025-12-03T18:55:09Z

Description

← Older revision		Revision as of 18:55, 3 December 2025
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	This [[Contact Laws\|contact law]] is not actually a contact law. Its effect on problem that have contact are different when modeling material contact then when modeling crack contact.		This [[Contact Laws\|contact law]] is not actually a contact law. Its effect on problem that have contact are different when modeling material contact then when modeling crack contact.

			=== Material Contact ===

	For [[Multimaterial MPM\|multimaterial]] contact, this law ignores multimaterial mode thereby reverting to a single velocity field or revert to state as if there was no material interface. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field, and therefore always "stick" at their interfaces.		For [[Multimaterial MPM\|multimaterial]] contact, this law ignores multimaterial mode thereby reverting to a single velocity field or revert to state as if there was no material interface. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field, and therefore always "stick" at their interfaces.

	When modeling [MPM Input Files#Using Explicit Cracks\|explicit cracks]], this law ignores crack contact. As a result, this law will give poor results for crack problems unless those cracks never experience contact.		=== Crack Contact ===

			When modeling [[MPM Input Files#Using Explicit Cracks\|explicit cracks]], this law ignores crack contact. As a result, this law will give poor results for crack problems unless those cracks never experience contact.

	== Properties ==		== Properties ==

	This contact law has no properties that need to be set.		This contact law has no properties that need to be set.

Nairnj: /* Description */

2025-12-03T18:54:25Z

Description

← Older revision		Revision as of 18:54, 3 December 2025
Line 2:		Line 2:
	== Description ==		== Description ==

	This [[Contact Laws\|contact law]] is not actually a contact law. ~~For [[Multimaterial MPM\|multimaterial]]~~ contact~~, this law will revert to a single velocity field or revert to state as if there was no~~ material ~~interface. For simulations with more than two materials where some~~ contact ~~by other~~ contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field, and therefore always "stick" at their interfaces.		This [[Contact Laws\|contact law]] is not actually a contact law. Its effect on problem that have contact are different when modeling material contact then when modeling crack contact.

	When modeling [MPM Input Files#Using Explicit Cracks\|explicit cracks]], this law ~~skips all~~ contact ~~calculations~~. As a result, this law will give poor results for crack problems, unless those cracks never experience contact.		For [[Multimaterial MPM\|multimaterial]] contact, this law ignores multimaterial mode thereby reverting to a single velocity field or revert to state as if there was no material interface. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field, and therefore always "stick" at their interfaces.

			When modeling [MPM Input Files#Using Explicit Cracks\|explicit cracks]], this law ignores crack contact. As a result, this law will give poor results for crack problems unless those cracks never experience contact.

	== Properties ==		== Properties ==

	This contact law has no properties that need to be set.		This contact law has no properties that need to be set.

Nairnj: /* Description */

2025-12-03T18:51:35Z

Description

← Older revision		Revision as of 18:51, 3 December 2025
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	== Description ==		== Description ==

	This [[Contact Laws\|contact law]] is not actually a contact law~~. This law ignores contact on [[MPM Input Files#Using Explicit Cracks\|explicit crack]] surfaces~~. For [[Multimaterial MPM\|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface.		This [[Contact Laws\|contact law]] is not actually a contact law. For [[Multimaterial MPM\|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field, and therefore always "stick" at their interfaces.

	~~This~~ law will give poor results for crack problems, unless those cracks never experience contact. For [[Multimaterial MPM\|multimaterial mode]] simulations, this mode reverts to a single velocity field. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field, and therefore always "stick" at the interfaces.		When modeling [MPM Input Files#Using Explicit Cracks\|explicit cracks]], this law skips all contact calculations. As a result, this law will give poor results for crack problems, unless those cracks never experience contact.

	== Properties ==		== Properties ==

	This contact law has no properties that need to be set.		This contact law has no properties that need to be set.

Nairnj: /* Description */

2016-01-23T22:00:47Z

Description

← Older revision		Revision as of 22:00, 23 January 2016
Line 4:		Line 4:
	This [[Contact Laws\|contact law]] is not actually a contact law. This law ignores contact on [[MPM Input Files#Using Explicit Cracks\|explicit crack]] surfaces. For [[Multimaterial MPM\|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface.		This [[Contact Laws\|contact law]] is not actually a contact law. This law ignores contact on [[MPM Input Files#Using Explicit Cracks\|explicit crack]] surfaces. For [[Multimaterial MPM\|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface.

	This law will give poor results for crack problems, unless those cracks never experience contact. For [[Multimaterial MPM\|multimaterial mode]] simulations, this mode reverts to a single velocity field. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field.		This law will give poor results for crack problems, unless those cracks never experience contact. For [[Multimaterial MPM\|multimaterial mode]] simulations, this mode reverts to a single velocity field. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field, and therefore always "stick" at the interfaces.

	== Properties ==		== Properties ==

	This contact law has no properties that need to be set.		This contact law has no properties that need to be set.

Nairnj: /* Description */

2016-01-23T22:00:10Z

Description

← Older revision		Revision as of 22:00, 23 January 2016
Line 4:		Line 4:
	This [[Contact Laws\|contact law]] is not actually a contact law. This law ignores contact on [[MPM Input Files#Using Explicit Cracks\|explicit crack]] surfaces. For [[Multimaterial MPM\|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface.		This [[Contact Laws\|contact law]] is not actually a contact law. This law ignores contact on [[MPM Input Files#Using Explicit Cracks\|explicit crack]] surfaces. For [[Multimaterial MPM\|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface.

	This law will give poor results for ~~cracks that are in contact~~, unless those cracks never experience contact. For [[Multimaterial MPM\|multimaterial mode]] simulations, this mode reverts to a single velocity field. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field.		This law will give poor results for crack problems, unless those cracks never experience contact. For [[Multimaterial MPM\|multimaterial mode]] simulations, this mode reverts to a single velocity field. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field.

	== Properties ==		== Properties ==

	This contact law has no properties that need to be set.		This contact law has no properties that need to be set.

Nairnj: /* Description */

2016-01-19T19:25:44Z

Description

← Older revision		Revision as of 19:25, 19 January 2016
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	== Description ==		== Description ==

	This [[~~Contact Laws#Frictional~~ Contact Laws\|~~frictional~~ contact law]] is not actually a contact law. This law ignores contact on [[MPM Input Files#Using Explicit Cracks\|explicit crack]] surfaces. For [[Multimaterial MPM\|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface.		This [[Contact Laws\|contact law]] is not actually a contact law. This law ignores contact on [[MPM Input Files#Using Explicit Cracks\|explicit crack]] surfaces. For [[Multimaterial MPM\|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface.

	This law will give poor results for cracks that are in contact, unless those cracks never experience contact. For [[Multimaterial MPM\|multimaterial mode]] simulations, this mode reverts to a single velocity field. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field.		This law will give poor results for cracks that are in contact, unless those cracks never experience contact. For [[Multimaterial MPM\|multimaterial mode]] simulations, this mode reverts to a single velocity field. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field.

Nairnj: /* Properties */

2016-01-19T19:25:20Z

Properties

← Older revision		Revision as of 19:25, 19 January 2016
Line 8:		Line 8:
	== Properties ==		== Properties ==

	~~The~~ law has no properties that need to be set.		This contact law has no properties that need to be set.

Nairnj: /* Description */

2016-01-19T19:24:44Z

Description

← Older revision		Revision as of 19:24, 19 January 2016
Line 2:		Line 2:
	== Description ==		== Description ==

	This law is not actually a contact law. This law ignores contact on [[MPM Input Files#Using Explicit Cracks\|explicit crack]] surfaces. For [[Multimaterial MPM\|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface.		This [[Contact Laws#Frictional Contact Laws\|frictional contact law]] is not actually a contact law. This law ignores contact on [[MPM Input Files#Using Explicit Cracks\|explicit crack]] surfaces. For [[Multimaterial MPM\|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface.

	This law will give poor results for cracks that are in contact, unless those cracks never experience contact. For [[Multimaterial MPM\|multimaterial mode]] simulations, this mode reverts to a single velocity field. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field.		This law will give poor results for cracks that are in contact, unless those cracks never experience contact. For [[Multimaterial MPM\|multimaterial mode]] simulations, this mode reverts to a single velocity field. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties\|shareMatField (matID)]] in materials that should share the same field.

Nairnj: Created page with "TOC == Description == This law is not actually a contact law. This law ignores contact on explicit crack surfaces. For [[Multima..."

2016-01-19T19:24:02Z

Created page with "__TOC__ == Description == This law is not actually a contact law. This law ignores contact on explicit crack surfaces. For [[Multima..."

New page

__TOC__
== Description ==

This law is not actually a contact law. This law ignores contact on [[MPM Input Files#Using Explicit Cracks|explicit crack]] surfaces. For [[Multimaterial MPM|multimaterial]] contact, this law will revert to a single velocity field or revert to state as if there was no material interface.

This law will give poor results for cracks that are in contact, unless those cracks never experience contact. For [[Multimaterial MPM|multimaterial mode]] simulations, this mode reverts to a single velocity field. For simulations with more than two materials where some contact by other contact laws and others should use single velocity fields, the better approach than using this law is to use the [[Common Material Properties#Contact Properties|shareMatField (matID)]] in materials that should share the same field.

== Properties ==

The law has no properties that need to be set.

Ignore Contact Law - Revision history

Nairnj: /* Properties */

Nairnj: /* Description */

Nairnj: /* Description */

Nairnj: /* Description */

Nairnj: /* Description */

Nairnj: /* Description */

Nairnj: /* Description */

Nairnj: /* Properties */

Nairnj: /* Description */

Nairnj: Created page with "__TOC__ == Description == This law is not actually a contact law. This law ignores contact on explicit crack surfaces. For [[Multima..."

Nairnj: Created page with "TOC == Description == This law is not actually a contact law. This law ignores contact on explicit crack surfaces. For [[Multima..."