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SwiftComp Examples

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19 Nov 2015 | Contributor(s): Wenbin Yu

These document contains the examples which could be used to get familiar with SwiftComp.

Introduction to Micromechanics

14 Nov 2015 | Teaching Materials | Contributor(s): Wenbin Yu

This article provides a brief introduction to micromechanics using linear elastic materials as an example. The fundamental micromechanics concepts including homogenization and dehomogenization, representative volume element (RVE), unit cell, average stress and strain theories, effective...

Mechanics of Structure Genome

04 Nov 2015 | Online Presentations | Contributor(s): Wenbin Yu

Mechanics of Structure Genome represents a revolutionary approach to mechanics of composites, providing a possible approach to integrate micromechanics and structural mechanics, which allows the analyst to capture details of composites as needed and affordable.

Mechanics of Structure Genome: Reproduce 3D FEA Using Simple Structural Models for Aero Structures

10 Sep 2015 | Online Presentations | Contributor(s): Wenbin Yu

This presentation is an extended lecture delivered to the Boeing FEA Community of Excellence on Sept 10th.The Mechanics of Structure Genome (MSG) has been recently developed at Purdue with the promise to revolutionize the analysis of composite structures. MSG can reproduce 3D FEA using simple...

Presentation of Micromechanics Simulation Challenge Level I Initial Results

04 Aug 2015 | Downloads | Contributor(s): Andrew J Ritchey, Johnathan E Goodsell, Hamsasew Sertse, Wenbin Yu, Byron Pipes

The attached slides summarize the Micromechanics Simulation Challenge Level I Initial Results in a presentation format. The complete report can be found at https://cdmhub.org/resources/948, and all the files supporting the results can be found...

ANSYS-VABS Graphic User Interface (GUI)

03 Aug 2015 | Downloads | Contributor(s): Fang Jiang, Wenbin Yu

This resource contains the release package of ANSYS-VABS GUI.VABS code is NOT included. Manual and the source scripts for the interface can be found in the Supporting Documents.This GUI was developed based on ANSYS Release...

SwiftComp

20 Jul 2015 | Tools | Contributor(s): Wenbin Yu, Xin Liu

SwiftComp with a GUI developed based on Gmsh and a structural solver provided by Calculix.

Micromechanics Simulation Challenge Level I Results

30 Jun 2015 | Publications | Contributor(s): Andrew J Ritchey, Hamsasew Sertse, Johnathan Goodsell, Wenbin Yu, Byron Pipes

The initial results of level I of micromechanics simulation challenge were documented in the attached paper which is also included in the proceedings of American Society of Composites 30th Annual Technical Meeting at Michigan State. Results for various composites including fiber...

ABAQUS-VABS GUI

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29 Jun 2015 | Downloads | Contributor(s): Su Tian, Wenbin Yu

A Python script used to convert the input file generated by ABAQUS for VABS, a detailed step-by-step instruction using ABAQUS CAE to generate a simple beam section (composite anisotropic pipe) is also given. Python scripts for generating more complex sections such as real...

Mathematical Construction of a Reissner–Mindlin Plate Theory for Composite Laminates

03 Jun 2015 | Publications | Contributor(s): Wenbin Yu

A Reissner–Mindlin theory for composite laminates without invoking ad hoc kinematic assumptions is constructed using the variational-asymptotic method. Instead of assuming a priori the distribution of three-dimensional displacements in terms of two-dimensional plate displacements as what is...

Assessing VABS against ABAQUS Beam Section Generate

27 May 2015 | Teaching Materials | Contributor(s): Su Tian, Wenbin Yu

We did a case study for a composite beam using VABS and ABAQUS beam section generate capability and compared with detailed 3D FEA analysis. The conclusion is that VABS can reproduce the detailed 3D FEA analysis at an efficiency much faster than ABAQUS beam capability. The accuracy of ABAQUS beam...

SwiftComp: Right Results Right Away

13 May 2015 | Online Presentations | Contributor(s): Wenbin Yu

This presentation gives a brief review of SwiftComp which is a general-purpose multiscale constitutive modeling code. It can bridge microstructure with the final macroscopic structural model. It takes a FE mesh of Structure Genome, which is defined as the smallest mathematical building block of...

MSM:3D FEA results for final project

07 May 2015 | Teaching Materials | Contributor(s): Wenbin Yu

Solution for MSM HW#7

20 Apr 2015 | Teaching Materials | Contributor(s): Wenbin Yu

This is the solution for HW#7.

MSM HW#8: Multiscale Composites Simulation

07 Apr 2015 | Teaching Materials | Contributor(s): Wenbin Yu

A comprehensive homework designed for exercise various analysis options of composite laminates for different level of accuracy and efficiency.

MSM HW#6

26 Mar 2015 | Teaching Materials | Contributor(s): Wenbin Yu

Use SwiftComp to compute the six by six stiffness matrix and compare with the results obtained in HW#5.

A Critical Assessment of Computer Tools for Calculating Composites Wind Turbine Blade Properties

16 Mar 2015 | Publications | Contributor(s): Wenbin Yu

The purpose of this paper is to critically assess several computer tools for calculating the inertial and structural properties of wind turbine blades. The theoretical foundation of each tool is briefly summarized, and the advantages and disadvantages of each tool are pointed out. Several...

MSM: Handout: MOC/GMC/HFGMC

03 Mar 2015 | Teaching Materials | Contributor(s): Wenbin Yu

The attached handout is scanned from the book by Jacob Aboudi, Steven M. Arnold, and Brett A. Bednarcyk entitled Micromechanics of Composite Materials, a generalized Multiscale Analysis Approach.

MSM: HW#5: Three types of boundary conditions for Micromechanics models

02 Mar 2015 | Teaching Materials | Contributor(s): Wenbin Yu

Explicitly expressing three types of boundary conditions for Micromechanics models, and implementing them in commercial finite element codes.

MSM: HW#4 Solution

19 Feb 2015 | Teaching Materials | Contributor(s): Wenbin Yu

MSM: HW#3 Solution

MSM Handout #3: Micromechanics

12 Feb 2015 | Teaching Materials | Contributor(s): Wenbin Yu

This is a work in progress.

MSM: HW2 Solutions

10 Feb 2015 | Teaching Materials | Contributor(s): Wenbin Yu

HW2 Solutions for Multiscale Structural Mechanics.

MSM: Solution for HW#1

02 Feb 2015 | Teaching Materials | Contributor(s): Wenbin Yu

The attached mathematica file contains the solutions HW# 1 problems.

MSM: Mathematica File for Calulus of Variations

27 Jan 2015 | Teaching Materials | Contributor(s): Wenbin Yu

This mathematica file contains the examples demonstrated for the module on Calculus of Variations.