FRANK TRUNK Patent Us 20050032029

US 20050032029A1

(12) Patent Application Publication (10) Pub. No.: US 2005/0032029 A1 (19) United States

Trunk (43) Pub. Date: Feb. 10, 2005

(54) METHOD OF MULTI-DIMENSIONAL ANALYSIS OF VISCOELASTIC MATERIALS FOR STRESS, STRAIN, AND DEFORMATION

(76) Inventor: Frank J. Trunk, Houston, TX (US)

Correspondence Address: Mr. Frank J. Trunk 6436 Kentwick Houston, TX 77084 (US)

(21) Appl. No.: 09/915,388

(22) Filed: Jul. 26, 2001

Related US. Application Data

(63) Continuation-in-part of application No. 09/438,120, ?led on Nov. 10, 1999, noW abandoned.

Publication Classi?cation

(51) Int. Cl? ................................................... .. G09B 23/06

(52) US. Cl. ............................................................ ..434/300

(57) ABSTRACT

A method for solving any arbitrary multi-dimensional sci enti?c or engineering design problem requiring solutions for stress, strain and deformation, and Which therefore demands the incorporation of a material constitutive equation into the mathematical solution and Wherein that constitutive equa tion, Which quantitatively de?nes the relationship betWeen stress and strain, incorporates independent tensor valued coef?cients and a scalar valued constitutive function/s, and Where the values of the tensor valued coef?cients and the form of the constitutive function/s is speci?c to any particu lar material under consideration.

Patent Application Publication Feb. 10, 2005 Sheet 1 0f 47 US 2005/0032029 A1

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FRANK TRUNK Patent Us 20050032029

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