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SwiftComp: Right Results Right Away
0.0 out of 5 stars
13 May 2015 | 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...
MSG-based Multiscale Modeling for Plates/Shells
05 Jul 2019 | Contributor(s): Wenbin Yu
The lecture on MSG-based multiscale modeling for plates/shells given for the summer class at Wuhan University of Technology.
Dual Number Automatic Differentiation
4.0 out of 5 stars
05 Jun 2014 | Downloads | Contributor(s): Wenbin Yu, kshitiz swaroop
DNAD (dual number automatic differentiation) is a simple, general-purpose tool to automatically differentiate Fortran codes written in modern Fortran (F90/ 95/2003) or legacy codes written in previous version of the Fortran language. It implements the forward mode of automatic differentiation...
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...
cdmHUB.org: A Platform for Pervasive Composites Learning in the Cloud
17 Nov 2016 | Downloads | Contributor(s): Wenbin Yu, Johnathan Goodsell, Byron Pipes
This is the presentation given on ASME 2016 IMECE in Phoenix Arizona. Purdue University has launched the Composites Design and Manufacturing HUB (cdmHUB.org) as an collaborative web interface platform with the mission to convene the composites community to advance certification by...
Variational Asymptotic Modeling of Composite Dimensionally Reducible Structures
23 Dec 2015 | Teaching Materials | Contributor(s): Wenbin Yu
Prof. Yu's PhD dissertation.
Demystifying Composites Simulation for Performance
28 Jul 2016 | Downloads | Contributor(s): Wenbin Yu
The presentation given in IACMI Tutorial session before the 2016 Summer Members Meeting. It tried to explain in layman terms modeling and simulation, and composites, pointed out the barriers we need to overcome to reap full benefits of simulation for composites innovation.
2016 cdmHUB ASC Workshop Flyer
30 Sep 2016 | Downloads | Contributor(s): Wenbin Yu
Join us at the American Society for Composites 31st Technical Conference (http://mech.utah.edu/ASC2016/) for a hands-on workshop, on September 18, from 7:00–9:00pm, on how to use cdmHUB.org for composites learning, teaching, and research in the cloud. With the mission to convene the...
NAFEMS Webinar Presentation on Structure Genome
28 Feb 2017 | Downloads | Contributor(s): Wenbin Yu
Materials Genome Initiative (MGI) aims to deliver the required infrastructure and training to accelerate discovery, developing, manufacturing, and deploying of advanced materials in a more expeditious and economical way. However, material by definition is a matter from which a thing can be made...
A Last Paper: An Equivalent Plate Modeling of Corrugated Structures
5.0 out of 5 stars
23 May 2014 | Publications | Contributor(s): Wenbin Yu, Zheng Ye, Victor Berdichevsky
An equivalent classical plate model of corrugated structures is derived using the variational asymptotic method. Starting from a thin shell theory, we carry out an asymptotic analysis of the strain energy in terms of the smallness of a single corrugation with respect to the characteristic length...
Structure Genome: Fill the Gap between Materials Genome and Structural Analysis
06 Jan 2015 | Online Presentations | Contributor(s): Wenbin Yu
This presentation is given at 2015 AIAA SciTech conference. A new concept, Structure Genome (SG), is proposed to fill the gap between materials genome and structural analysis. SG acts as the basic building block of the structure connecting materials to structures and the mechanics of SG governs...
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...
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...
Micromechanics Simulation Challenge (Draft)
19 Sep 2014 | White Papers/Research Documents | Contributor(s): Johnathan Goodsell, Wenbin Yu, Byron Pipes
The cdmHUB is hosting a Micromechanics Simulation Challenge and we would like to invite the composites community to participate in defining and executing the challenge. The Micromechanics Simulation Challenge will consist of 3 levels, each with benchmark-type problems to assess the strengths and...
Micromechanics Simulation Challenge - Level 1
26 Jan 2015 | White Papers/Research Documents | Contributor(s): Johnathan Goodsell, Andrew J Ritchey, Wenbin Yu
In cooperation with academia, industry and commercial software providers, the Composites Design and Manufacturing HUB is pleased to announce the Micromechanics Simulation Challenge. The problems in Level 1 of the simulation challenge are attached. Additionally, stp and iges files of the complex...
Assess the Accuracy of the Variational Asymptotic Plate and Shell Analysis (VAPAS) Using the Generalized Unified Formulation (GUF)
19 Nov 2015 | Publications | Contributor(s): Wenbin Yu
The accuracy of the Variational Asymptotic Plate and Shell Analysis (VAPAS) is assessed against several higher order, zig zag,and layerwise theories generated by using the invariant axiomatic framework denoted as Generalized Unified Formulation (GUF).These theories are also compared against the...
A Novel Approach to Analyze Beam-like Composite Structures Using Mechanics of Structure Genome
08 Sep 2016 | Publications | Contributor(s): Xin Liu, Wenbin Yu
A novel approach to the analysis of beam-like composite structure is introduced in this paper. New software Gmsh4SC is developed based on two well-known open source codes Gmsh and CalculiX. One-dimensional Euler-Bernoulli and Timoshenko type finite elements are derived based on the constitutive...
Generalized Free-Edge Stress Analysis Using Mechanics of Structure Genome
22 Aug 2016 | Publications | Contributor(s): Bo Peng, Johnathan Goodsell, Byron Pipes, Wenbin Yu
This work reveals the potential of mechanics of structure genome (MSG) for the free-edge stress analysis of composite laminates. First, the cross-sectional analysis specialized from MSG is formulated for solving a generalized free-edge problem of composite laminates. Then, MSG and the companion...
Initial failure strength prediction of woven composites using a new yarn failure criterion constructed by deep learning
05 Jun 2019 | Publications | Contributor(s): Xin Liu, Federico Gasco, Johnathan Goodsell, Wenbin Yu
A new failure criterion for fiber tows (i.e. yarns) is developed based on a micromechanical model using mechanics of structure genome (MSG) and deep learning neural network. The proposed failure criterion can be applied to yarns in mesoscale textile composites modeling while capturing the failure...
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.
A Unified Approach for Thermoelastic Constitutive Modeling of Composite Structures
07 Feb 2019 | Publications | Contributor(s): Xin Liu, Wenbin Yu, Federico Gasco, Johnathan Goodsell
Mechanics of structure genome (MSG) has been extended to provide a unified approach to predict the thermoelastic behaviors of composite structures. The variational statement of the MSG models has been modified to capture pointwise temperature distribution in composite structures. The effective...
Constitutive modeling for time- and temperature-dependent behavior of composites
08 Jan 2020 | Publications | Contributor(s): Orzuri Rique, Xin Liu, Wenbin Yu, Byron Pipes
Structural integrity, durability, and thermal stability represent critical areas for adequately modeling the behavior of composite materials. Polymeric matrices are prone to have time-dependent behavior very sensitive to changes in temperature that influence the effective properties of the...
Adaptive Sampling Assisted Surrogate Modeling of Initial Failure Envelopes of Composite Structures
10 Nov 2020 | Publications | Contributor(s): Su Tian, Wenbin Yu
VABS: Modeling Composite Beam-like Structures with 3D FEA Fidelity
06 Feb 2021 | Online Presentations | Contributor(s): Wenbin Yu
This presentation was given at Altair Virtual ATCx Composites: https://atcxcomposites.virtual.altair.com/. Variational asymptotic beam section (VABS) is a unique technology continuously funded by the US Army since 1988 and it has become a tool of choice in the helicopter and wind turbine...
MSM Handout #3: Micromechanics
12 Feb 2015 | Teaching Materials | Contributor(s): Wenbin Yu
This is a work in progress.