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登錄Functionally Graded Material
關(guān)注創(chuàng)建者:ABAQUS油氣有限元 創(chuàng)建時間:2020-08-11

Functionally Graded Material的實例教程
Advances in Engineering Software, 105: 9-16 (2017)
源代碼見附件
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(八)ABAQUS USDLFD SUBROUTINE FOR FUNCTIONALLY GRADED ELEMENTS
ABAQUS USDFLD Subroutine for the implementation of a continuous variation of the material elastic properties between integration points.
Paper: E. Martínez-Pa?eda. On the finite element implementation of functionally graded materials. Materials, 12(2): 287 (2019)
源代碼見附件
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(九)NON-LINEAR X-FEM CODE FOR MSG PLASTICITY
Non-linear eXtendend Finite Element code developed in MATLAB including the following material models: linear elasticity, von Mises plasticity and conventional mechanism-based strain gradient (CMSG) plasticity.
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展開 FGM概念
FGM是功能梯度材料(Functionally graded materials)的英文簡稱,也被稱為梯度功能材料。功能梯度材料(FGM)是一種新型非均勻復(fù)合材料,是由性能不同的兩種或多種材料復(fù)合成組分和結(jié)構(gòu)呈現(xiàn)連續(xù)梯度變化的材料。它要求功能、性能隨內(nèi)部位置的變化而變化,以實現(xiàn)功能梯度的材料。
從本質(zhì)上來講,F(xiàn)GM是一種比較特殊的復(fù)合材料。
在自然界也有許多功能梯度材料的例子,如竹子、貝殼、骨骼等。
FGM構(gòu)建
本文采用COMSOL軟件進行FGM模型的構(gòu)建,以下表現(xiàn)三種不同形式的功能梯度材料模型:
粒徑均勻變化
雙材料擴散
變粒徑分布
建模教程
在COMSOL內(nèi)建立功能梯度材料可以采用AutoCAD模型導(dǎo)入的方式,這里用到了CAD建模插件。
插件下載:
CAD 功能梯度材料(FGM)2D插件
展開 梯度功能材料(Functionally Graded Materials, FGMs)是一種先進的復(fù)合材料,其特點是材料的組成、結(jié)構(gòu)以及孔隙率等特性在某個方向上呈現(xiàn)連續(xù)或階梯式的漸變。這種變化使得FGM的物理和化學(xué)性能在同一方向上也呈現(xiàn)出相應(yīng)的連續(xù)梯度變化。
ANSYS Workbench內(nèi)建立梯度功能材料模型可以采用CAD功能梯度材料2D插件建模后導(dǎo)入到Workbench內(nèi)。在插件內(nèi)設(shè)置模型參數(shù)后運行即可在AutoCAD內(nèi)建立梯度分布的隨機圓形模型。
在CAD內(nèi)將FGM模型構(gòu)建實體后導(dǎo)出為IGES格式文件。
將模型導(dǎo)入到Workbench內(nèi)。
可對梯度模型進行后續(xù)分析模擬。
CAD 功能梯度材料(FGM)2D插件
https://www.yqgqt.org.cn/post/1874171
展開 Advances in Engineering Software, 105: 9-16 (2017)
13、Abaqus2Matlab_Toolbox2.00.zip
14、ABAQUS USDFLD SUBROUTINE FOR FUNCTIONALLY GRADED ELEMENTS
ABAQUS USDFLD子程序用于功能性漸變元素
ABAQUS USDFLD Subroutine for the implementation of a continuous variation of the material elastic properties between integration points.
ABAQUS USDFLD子例程,用于在積分點之間連續(xù)改變材料的彈性。
Paper: E. Martínez-Pa?eda. On the finite element implementation of functionally graded materials. Materials, 12(2): 287 (2019)
14、FGMcode.zip
15、NON-LINEAR X-FEM CODE FOR MSG PLASTICITY
MSG可塑性的非線性X-FEM代碼
Non-linear eXtendend Finite Element code developed in MATLAB including the following material models: linear elasticity, von Mises plasticity and conventional mechanism-based strain gradient (CMSG) plasticity.
展開 
Functionally Graded Material的相關(guān)專題、標簽、搜索
Functionally Graded Material的最新內(nèi)容
梯度功能材料(Functionally Graded Materials, FGMs)是一種先進的復(fù)合材料,其特點是材料的組成、結(jié)構(gòu)以及孔隙率等特性在某個方向上呈現(xiàn)連續(xù)或階梯式的漸變。這種變化使得FGM的物理和化學(xué)性能在同一方向上也呈現(xiàn)出相應(yīng)的連續(xù)梯度變化。
[17]CUI L,KIERNAN S,GILCHRIST M D.Designing the Energy Absorption Capacity of Functionally Graded Foam Materials[J].Materials Science&Engineering A,2009,507(1-2):215-225.
Graded Porous Material)結(jié)構(gòu)的密度分布。
FGM概念
FGM是功能梯度材料(Functionally graded materials)的英文簡稱,也被稱為梯度功能材料。功能梯度材料(FGM)是一種新型非均勻復(fù)合材料,是由性能不同的兩種或多種材料復(fù)合成組分和結(jié)構(gòu)呈現(xiàn)連續(xù)梯度變化的材料。它要求功能、性能隨內(nèi)部位置的變化而變化,以實現(xiàn)功能梯度的材料。
從本質(zhì)上來講,F(xiàn)GM是一種比較特殊的復(fù)合材料。
功能梯度材料(Functionally Graded Materials, FGM)是指化學(xué)成分或結(jié)構(gòu)在空間上按照預(yù)期設(shè)計逐漸變化以實現(xiàn)特定性能的材料[1]。其概念最早是由日本科學(xué)家在20世紀80年代提出。不同于傳統(tǒng)的復(fù)合材料,F(xiàn)GM是在兩種材料之間加入一個逐漸變化的梯度層,以此來降低內(nèi)部應(yīng)力。
On the finite element implementation of functionally graded materials.
Phase field modelling of crack propagation in functionally graded materials.
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