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abaqus铝合金材料参数摘要：1.Abaqus 简介2.铝合金材料概述3.Abaqus 中铝合金材料的参数4.参数对材料性能的影响5.结论正文：1.Abaqus 简介Abaqus 是一款广泛应用于工程领域的有限元分析软件，它可以模拟各种复杂结构的力学行为，为工程师提供可靠的数值模拟结果。
在Abaqus 中，用户可以自定义材料的参数，以满足不同工程需求。
2.铝合金材料概述铝合金材料因其优良的力学性能、良好的耐腐蚀性和较低的重量，在航空航天、汽车、建筑等领域得到广泛应用。
铝合金的主要成分是铝，同时还含有一定比例的铜、镁、锌等元素。
3.Abaqus 中铝合金材料的参数在Abaqus 中，铝合金材料的参数主要包括以下几类：(1) 弹性模量：描述材料刚性的指标，决定了材料在受到外力时的变形程度。
(2) 泊松比：描述材料在受到拉伸时的横向收缩程度，与弹性模量一起决定了材料的应力- 应变关系。
(3) 密度：描述材料单位体积的质量，影响材料的重量和刚度。
(4) 剪切模量：描述材料在受到剪切力时的变形程度，与弹性模量和泊松比一起决定了材料的应力- 应变关系。
(5) 硬度：描述材料抵抗划痕或穿透的能力，通常用布氏硬度或维氏硬度表示。
(6) 粘度：描述材料在高温下的流动性，影响铸造和焊接等加工过程。
4.参数对材料性能的影响(1) 弹性模量和泊松比：这两参数决定了材料的应力- 应变关系，影响材料的强度、刚度和韧性等性能。
(2) 密度：密度影响材料的重量和刚度，通常情况下，密度越大，材料的强度和刚度越高。
(3) 剪切模量：影响材料的剪切强度和韧性。
(4) 硬度：硬度影响材料的耐磨性和抗疲劳性能。
(5) 粘度：粘度影响材料的铸造性能和焊接性能。
5.结论通过对Abaqus 中铝合金材料的参数进行调整，可以实现对材料性能的调控，以满足不同工程应用的需求。
Department of Engineering University of Cambridge > Engineering Department > computing helpABAQUS Materials Input1. 5. ABAQUS - Materials2. Q5.1 : How do I find what material properties are needed for a particular analysis ?Read the relevant section in Chapter 6 : Analysis Procedures (User's manual Vol. I). This gives an overview about the analysis and has more information about the material properties.Read also the following sections in Chapter 17 : Materials Introduction of the ABAQUS User's manual.▪Section 17.1.1 - Material Library : Overview▪Section 17.1.2 - Material Data Definition▪Section 17.1.3 - Combining Material PropertiesSection 17.1.3 lists the material model combination tables. Several models are available to define the mechanical behaviour (elastic, plastic).Some material options require the presence of other material options. Some exclude the use of the other material options. For example *DEFORMATION PLASTICITY completely defines the material's mechanical behaviour and should not be used with *ELASTIC.Once you have all the relevant keywords to define the material properties consult the keyword Manual for each of the keywords. This will explain what data is required for each of the keyword.3. Q5.2 : What material properties need to be specified in a thermal-electrical analysis ?Referring to Section 17.1.3 of the ABAQUS User's manual you will require the heat transfer properties as well as the electrical properties. These are listed below :▪Heat Transfer properties▪*CONDUCTIVITY▪*LATENT HEAT▪*SPECIFIC HEAT▪*HEAT GENERATION▪Electrical properties▪*DIELECTRIC▪*ELECTRICAL CONDUCTIVITY▪*JOULE HEAT FRACTION▪*PIEZOELECTRICThis forms the complete set of properties. If Piezoelectric elements are not used then*PIEZOELECTRIC and *DIELECTRIC properties will not be required.If only the steady state heat transfer response is of interest then *SPECIFIC HEAT properties are not required. Similarly if there are no phase changes involved then *LATENT HEAT is not required.*JOULE HEAT FRACTION is used to specify the fraction of electrical energy that will be released as heat.Example problem 5.2.1 - thermal-electrical modelling of an automotive fuse illustrates the thermal-electrical analysis.ABAQUS allows for redundant material properties to be specified. It will simply ignore the material properties not required for the current analysis.Typical example of material properties :*MATERIAL, NAME=ZINC*CONDUCTIVITY0.1121, 20.00.1103, 100.0*ELECTRICAL CONDUCTIVITY16.75E3, 20.012.92E3, 100.0*JOULE HEAT FRACTION1.0*DENSITY7.14E-6*SPECIFIC HEAT389.04. Q5.3 : What material properties need to be specified in an analysis using temperature- displacement elements ?Referring to Section 17.1.3 of the ABAQUS User's manual you will require the heat transfer properties as well as the mechanical properties. These are listed below :▪Mechanical properties▪*ELASTIC▪Additional properties which may be required : example plastic ▪Heat Transfer properties▪*CONDUCTIVITY▪*LATENT HEAT▪*SPECIFIC HEAT▪*HEAT GENERATION5. Q5.4 : What material properties need to be specified in an analysis using piezoelectric elements?Referring to Section 9.1.3 of the ABAQUS User's manual you will require the electrical properties. These are listed below :▪Electrical properties▪*DIELECTRIC▪*ELECTRICAL CONDUCTIVITY▪*JOULE HEAT FRACTION▪*PIEZOELECTRIC6. Q5.5 : What material properties need to be specified in modeling concrete with reinforcements?Use the concrete model available with rebar to model the reinforcements.Section 1.1.5 of the ABAQUS Example's manual gives an example of the collapse analysis of a concrete slab subjected to a central point load.The data file for that example is collapse example.The complete set of ABAQUS input files can be obtained by using the following command :abaqus fetch j=collapseconcslab**CONCRETE3000., 0. abs. value of compressive stress, abs. value of plastic strain. 5500., 0.0015 " "*FAILURE RATIOS1.16, 0.0836This is used to define the shape of the failure surface (see section 11.5.1 of the ABAQUSUSER's manual Vol. II).The first parameter is the ratio of the ultimate biaxial compression stress, to the uniaxial compressive stress. Default is 1.16.The second parameter is the absolute value of the ratio of uniaxial tensile stress at failure to the uniaxial compressive stress at failure. Default is 0.09.7. Tension Stiffening*TENSION STIFFENING1., 0.0., 2.E-3First parameter is the fraction of remaining stress to stress at cracking. The second parameter is the absolute value of the direct strain minus the direct strain at cracking.This defines the retained tensile stress normal to the crack as a function of the deformation in the direction of the normal to the crack.8. Shear Retention*SHEAR RETENTIONNot used for this example.9. Reinforcement modelling*REBAR is used to model the reinforcement.*REBAR,ELEMENT=SHELL,MATERIAL=SLABMT,GEOMETRY=ISOPARAMETRIC,NAME=YYSLAB, 0.014875, 1., -0.435, 4*REBAR,ELEMENT=SHELL,MATERIAL=SLABMT,GEOMETRY=ISOPARAMETRIC,NAME=XXSLAB, 0.014875, 1., -0.435, 1Here SLAB is the element name or name of the element set that contains these rebars. The geometry is ISOPARAMETRIC. Other choice is SKEW. ELEMENT can be BEAM, SHELL, AXISHELL or CONTINUUM type. The following are the other parameters specified :▪cross-sectional area of the rebar.▪spacing of the rebars in the plane of the shell▪position of the rebar. Distance from the reference surface. Here the mid-surface is the reference surface and the minus sign indicates that the distance is measured in theopposite direction to the direction of positive normal. The positive normal is defined by the right hand rule as the nodes are considered in an anti-clockwise sequence.▪edge number to which rebars are similar.10. Alternate Method o modelling REBAR ReinforcementsAlternatively REBAR can be modelled as follows :*NODE........**-------------------END NODES FOR REBAR BEAM ELEMENTS501, 0.0, 0.15, -0.02541, 1.5, 0.15, -0.02601, 0.0, 0.15, -0.07641, 1.5, 0.15, -0.07701, 0.0, 0.60, -0.02741, 1.5, 0.60, -0.02801, 0.0, 0.60, -0.07841, 1.5, 0.60, -0.07........**---------------------GENERATE INTERMEDIATE NODES*NGEN, NSET=BAR10TF701, 741, 2*NGEN, NSET=BAR10TB801, 841, 2......**--------------------GENERATE THE BEAM ELEMENTS*ELEMENT, TYPE=B31701, 701, 703801, 801, 803*ELGEN, ELSET=BAR10TF701, 20, 2, 1, 1, 1, 1*ELGEN, ELSET=BAR10TB801, 20, 2, 1, 1, 1, 1......**---------------------DEFINE THE MATERIAL PROPERTIES*MATERIAL, NAME=BAR8**** 8 mm dia bar***ELASTIC, TYPE=ISO197.E6, 0.3*PLASTIC354.E3, 0.364.E3, 0.0018****---------------------DEFINE THE SECTION PROPERTIES......*BEAM SECTION, SECTION=CIRC, MATERIAL=BAR10, ELSET=BAR10TF0.005*BEAM SECTION, SECTION=CIRC, MATERIAL=BAR10, ELSET=BAR10TB0.005...**--------------------DEFINE AN ELEMENT SET WHICH CONTAINS**--------------------THE ELEMENTS THROUGH WHICH THE REBAR**--------------------ELEMENTS PASSES.....*ELSET, ELSET=TOP, GENERATE5, 80, 5****--------------------*EMBEDDED ELEMENT,HOST ELSET=TOPBAR10TF,BAR10TB**11. Q5.6 : What material properties need to be specified in using the deformation plasticity model ?See section 11.2.11 of the users' manual (Vol. II). See also section 23.4.7 of the users' manual (Vol. III), keyword section.For example :*DEFORMATION PLASTICITY1.E3, 0.3,2., 3, 0.396Here the data line contains the Young's modulus, Poissons ratio, Yield stress, Exponent, Yield offset respectively. If it is necessary to define the dependence of these parameters on temperature then the 6th parameter will be the temperature. Then repeat the dataline for different temperatures as required.| Computing Help |[Finite Elements] | [Engineering Packages]© Cambridge University Engineering DeptInformation provided by Arul M Britto (amb2)Last updated: 28 September 2010。
常用材料性质参数材料的性质与制造工艺、化学成份、内部缺陷、使用温度、受载历史、服役时间、试件尺寸等因素有关。
本附录给出的材料性能参数只是典型范围值。
用于实际工程分析或工程设计时，请咨询材料制造商或供应商。
除非特别说明，本附录给出的弹性模量、屈服强度均指拉伸时的值。
表1 材料的弹性模量、泊松比、密度和热膨胀系数材料名称弹性模量EGPa泊松比ν密度ρkg/m3热膨胀系数α10-6/℃铝合金 70－79 0.33 2600-2800 23 黄铜96-110 0.34 8400-8600 19.1-21.2 青铜96-120 0.34 8200-8800 18-21 铸铁83-170 0.2-0.3 7000-7400 9.9-12混凝土(压)普通增强轻质17-31 0.1-0.2230024001100-18007-14铜及其合金110-120 0.33-0.36 8900 16.6-17.6 玻璃48-83 0.17-0.272400-2800 5-11 镁合金41-45 0.35 1760-183026.1-28.8镍合金(蒙乃尔铜) 170 0.32 8800 14 镍210 0.31 8800 13 塑料尼龙聚乙烯2.1-3.40.7-1.40.40.4880-1100960-140070-140140-290岩石(压)花岗岩、大理石、石英石石灰石、沙石40-10020-700.2-0.30.2-0.32600-29002000-29005-9橡胶0.0007-0.004 0.45-0.5 960-1300 130-200 沙、土壤、砂砾1200-2200 钢高强钢不锈钢结构钢190-2100.27-0.30785010-18141712钛合金100-120 0.334500 8.1-11 钨340-380 0.2 1900 4.3 木材(弯曲)杉木橡木松木11-1311-1211-14480-560640-720560-640表2 材料的力学性能材料名称/牌号屈服强度sσMPa抗拉强度bσMPa伸长率5δ%备注铝合金LY12 35-500274100-5504121-4519 硬铝黄铜70-550 200-620 4-60 青铜82-690 200-830 5-60铸铁(拉伸) HT150HT250 120-290 69-4801502500-1铸铁(压缩) 340-1400混凝土(压缩) 10-70铜及其合金55-760 230-830 4-50玻璃平板玻璃玻璃纤维30-1000707000-20000镁合金80-280 140-340 2-20 镍合金(蒙乃尔铜) 170-1100 450-1200 2-50 镍100-620 310-760 2-50 塑料尼龙聚乙烯40-807-2820-10015-300岩石(压缩)花岗岩、大理石、石英石石灰石、沙石50-280 20-200橡胶1-7 7-20 100-800 普通碳素钢Q215 Q235 Q255 Q275 215235255275335~450375~500410~550490~63026~3121~2619~2415~20旧牌号A2旧牌号A3旧牌号A4旧牌号A5优质碳素钢25 35 45 55 2753153553804505306006452320161325号钢35号钢45号钢55号钢低合金钢15MnV 16Mn 390345530510182115锰钒16锰合金钢20Cr 40Cr 54078583598010920铬40铬30CrMnSi 88510801030铬锰硅铸钢ZG200-400 ZG270-500 2002704005002518钢线280-1000 550-1400 5-40钛合金760-1000 900-1200 10 钨 1400-40000-4 木材(弯曲)杉木橡木松木30-5030-4030-5040-7030-5040-70。
abaqus铝合金材料参数【原创实用版】目录1.Abaqus 铝合金材料概述2.Abaqus 铝合金材料参数说明3.Abaqus 铝合金材料参数应用实例正文一、Abaqus 铝合金材料概述Abaqus 是一款广泛应用于工程领域的有限元分析软件，其强大的功能和便捷的操作赢得了许多工程师的青睐。
在 Abaqus 中，铝合金材料是一种常见的金属材料，具有良好的机械性能和耐腐蚀性能，广泛应用于航空航天、汽车制造等领域。
二、Abaqus 铝合金材料参数说明Abaqus 中铝合金材料的参数主要包括以下几类：1.材料属性：包括弹性模量、泊松比、密度等，这些参数决定了铝合金材料的基本力学性能。
2.应力 - 应变曲线：描述了铝合金材料在拉伸过程中的应力 - 应变关系，可以帮助工程师了解材料的变形能力和破坏强度。
3.硬化模型：Abaqus 提供了多种硬化模型，如线性硬化模型、非线性硬化模型等，用于描述铝合金材料在变形过程中的硬化行为。
4.失效准则：包括屈服准则、断裂准则等，用于判断铝合金材料在受力过程中是否会发生失效。
三、Abaqus 铝合金材料参数应用实例假设我们要分析一个由铝合金制成的飞机机翼结构，在 Abaqus 中，我们可以按照以下步骤设置铝合金材料参数：1.创建一个新的材料卡片，输入铝合金材料的弹性模量、泊松比、密度等基本属性。
2.创建一个应力 - 应变曲线，输入拉伸过程中的应力 - 应变数据。
3.选择合适的硬化模型，并根据实际需求调整模型参数。
4.设置失效准则，如选择屈服强度和断裂强度等。
完成以上设置后，我们就可以使用该铝合金材料参数对飞机机翼结构进行有限元分析，从而得到结构在不同受力条件下的应力、应变和变形情况，为结构设计提供参考依据。
Department of EngineeringUniversity of Cambridge? ? Engineering Department? ? computing helpABAQUS Materials Input5. ABAQUS - MaterialsQ5.1 : How do I find what material properties are needed for a particular analysis ?Read the relevant section in Chapter 6 : Analysis Procedures User's manual Vol. I . This gives an overview about the analysis and has more information about the material properties.Read also the following sections in Chapter 17 : Materials Introduction of the ABAQUS User's manual.Section - Material Library : OverviewSection - Material Data DefinitionSection - Combining Material PropertiesSection lists the material model combination tables. Several models are available to define the mechanical behaviour elastic, plastic .Some material options require the presence of other material options. Some exclude the use of the other material options. For example *DEFORMATION PLASTICITY completely defines the material's mechanicalbehaviour and should not be used with *ELASTIC.Once you have all the relevant keywords to define the material properties consult the keyword Manual for each of the keywords. This will explain what data is required for each of the keyword.Q5.2 : What material properties need to be specified in a thermal-electrical analysis ?Referring to Section of the ABAQUS User's manual you will require the heat transfer properties as well as the electrical properties. These are listed below :Heat Transfer properties*CONDUCTIVITY*LATENT HEAT*SPECIFIC HEAT*HEAT GENERATIONElectrical properties*DIELECTRIC*ELECTRICAL CONDUCTIVITY*JOULE HEAT FRACTION*PIEZOELECTRICThis forms the complete set of properties. If Piezoelectric elements are not used then *PIEZOELECTRIC and *DIELECTRIC properties will not be required.If only the steady state heat transfer response is of interest then *SPECIFIC HEAT properties are not required. Similarly if there are no phase changes involved then *LATENT HEAT is not required.*JOULE HEAT FRACTION is used to specify the fraction of electrical energy that will be released as heat.Example problem - thermal-electrical modelling of an automotive fuse illustrates the thermal-electrical analysis.ABAQUS allows for redundant material properties to be specified. It will simply ignore the material properties not required for the current analysis.Typical example of material properties :*MATERIAL, NAME ZINC*CONDUCTIVITY0.1121, 20.00.1103, 100.0*ELECTRICAL CONDUCTIVITY16.75E3, 20.012.92E3, 100.0*JOULE HEAT FRACTION1.0*DENSITY7.14E-6*SPECIFIC HEAT389.0Q5.3 : What material properties need to be specified in an analysis using temperature- displacement elements ?Referring to Section of the ABAQUS User's manual you will require the heat transfer properties as well as the mechanical properties. These are listed below :Mechanical properties*ELASTICAdditional properties which may be required : example plasticHeat Transfer properties*CONDUCTIVITY*LATENT HEAT*SPECIFIC HEAT*HEAT GENERATIONQ5.4 : What material properties need to be specified in an analysis using piezoelectric elements?Referring to Section of the ABAQUS User's manual you will require the electrical properties. These are listed below :Electrical properties*DIELECTRIC*ELECTRICAL CONDUCTIVITY*JOULE HEAT FRACTION*PIEZOELECTRICQ5.5 : What material properties need to be specified in modeling concrete with reinforcements?Use the concrete model available with rebar to model the reinforcements.Section of the ABAQUS Example's manual gives an example of the collapse analysis of a concrete slab subjected to a central point load.The data file for that example is collapse example.The complete set of ABAQUS input files can be obtained by using the following command :abaqus fetch j collapseconcslab**CONCRETE3000., 0. abs. value of compressive stress, abs. value of plastic strain.5500., 0.0015 " "*FAILURE RATIOS1.16, 0.0836This is used to define the shape of the failure surface see section of the ABAQUS USER's manual Vol. II .The first parameter is the ratio of the ultimate biaxial compression stress, to the uniaxial compressive stress. Default is 1.16.The second parameter is the absolute value of the ratio of uniaxial tensile stress at failure to the uniaxial compressive stress at failure. Default is 0.09.Tension Stiffening*TENSION STIFFENING1., 0.0., 2.E-3First parameter is the fraction of remaining stress to stress at cracking. The second parameter is the absolute value of the direct strain minus the direct strain at cracking.This defines the retained tensile stress normal to the crack as a function of the deformation in the direction of the normal to the crack.Shear Retention*SHEAR RETENTIONNot used for this example.Reinforcement modelling*REBAR is used to model the reinforcement.*REBAR,ELEMENT SHELL,MATERIAL SLABMT,GEOMETRY ISOPARAMETRIC,NAME YY SLAB, 0.014875, 1., -0.435, 4*REBAR,ELEMENT SHELL,MATERIAL SLABMT,GEOMETRY ISOPARAMETRIC,NAME XX SLAB, 0.014875, 1., -0.435, 1Here SLAB is the element name or name of the element set that containsthese rebars. The geometry is ISOPARAMETRIC. Other choice is SKEW. ELEMENT can be BEAM, SHELL, AXISHELL or CONTINUUM type. The following are the other parameters specified :cross-sectional area of the rebar.spacing of the rebars in the plane of the shellposition of the rebar. Distance from the reference surface. Here the mid-surface is the reference surface and the minus sign indicates that the distance is measured in the opposite direction to the direction of positive normal. The positive normal is defined by the right hand rule as the nodes are considered in an anti-clockwise sequence.edge number to which rebars are similar.Alternate Method o modelling REBAR ReinforcementsAlternatively REBAR can be modelled as follows :*NODE........**501, 0.0, 0.15, -0.02541, 1.5, 0.15, -0.02601, 0.0, 0.15, -0.07641, 1.5, 0.15, -0.07701, 0.0, 0.60, -0.02741, 1.5, 0.60, -0.02 801, 0.0, 0.60, -0.07 841, 1.5, 0.60, -0.07 ........***NGEN, NSET BAR10TF701, 741, 2*NGEN, NSET BAR10TB801, 841, 2......***ELEMENT, TYPE B31701, 701, 703801, 801, 803*ELGEN, ELSET BAR10TF701, 20, 2, 1, 1, 1, 1*ELGEN, ELSET BAR10TB801, 20, 2, 1, 1, 1, 1......*MATERIAL, NAME BAR8**** 8 mm dia bar***ELASTIC, TYPE ISO197.E6, 0.3*PLASTIC354.E3, 0.364.E3, 0.0018****......*BEAM SECTION, SECTION CIRC, MATERIAL BAR10, ELSET BAR10TF 0.005*BEAM SECTION, SECTION CIRC, MATERIAL BAR10, ELSET BAR10TB 0.005...*******ELSET, ELSET TOP, GENERATE5, 80, 5*****EMBEDDED ELEMENT,HOST ELSET TOPBAR10TF,BAR10TB**Q5.6 : What material properties need to be specified in using the deformation plasticity model ?See section of the users' manual Vol. II . See also section of the users' manual Vol. III , keyword section.For example :*DEFORMATION PLASTICITY1.E3, 0.3,2., 3, 0.396Here the data line contains the Young's modulus, Poissons ratio, Yield stress, Exponent, Yield offset respectively. If it is necessary to define the dependence of these parameters on temperature then the 6th parameter will be the temperature. Then repeat the dataline for different temperatures as required.| Computing Help |[Finite Elements] | [Engineering Packages]Cambridge University Engineering DeptInformation provided by Arul M Britto amb2 Last updated: 28 September 2010。
ABAQUS学习笔记一．AQUS－.inp编码介绍（一）．ABAQUS头信息文件段（1－4）1.*PREPRINT 输出求解过程所要求的信息（在dat文件中）ie:*PREPRINT, ECHO=YES, HISTORY=YES, MODEL=YES2.*HEADING 标题输出文件（出现在POST/VIEW窗口中，且出现在结果输出文件中）ie:*HEADINGSTRESS ANALYSIS FOR A PLATE WITH A HOLE3.*RESTART 要求abaqus/standard输出其POST/view模块所需要的.res文件。
其中的FREQ＝？控制结果在每次迭代（或载荷步）输出的次数。
ie:*RESTART, WRITE, FREQ=14.*FILE FORMAT 要求abaqus/standard输出到.fil中的某些信息。
它也用于post。
对于在后处理中得到x-y形式的诸如应力－时间、应力－应变图有用！ie: *FILE FORMAT, ZERO INCREMENT（二）．ABAQUS网格生成段定义结点、单元，常用的命令有：结点定义（*NODE，*NGEN），单元定义（*ELEMENT，*ELGEN等）。
1.*NODE 定义结点，其格式为：*NODE结点号，x轴坐标，y轴坐标，（z轴坐标）2.*NGEN 在已有结点的基础上进行多个结点的生成，一般是在两结点间以某种方式（直线、圆）产生一定分布规律的结点。
如：*NGEN, LINE=C, NSET=HOLE，119, 1919, 100, 101 在两结点（结点号为119，1919）间以圆弧形式生成多个结点，100为任意相邻结点的单元号增量，101为圆弧形成时圆心位置的结点（对于直线形式生成没有此结点）。
所有这些生成的结点（包括119，1919）被命名成HOLE的集合（这样做的目的是以后的命令中使用到它，比如说对这些结点施加同等条件的边界条件或载荷等，HOLE就是这些结点的代称）。
