反映物质宏观性质的数学模型。最熟知的反映纯力学性质的本构关系有胡克定律、牛顿内摩擦定律(牛顿粘性定律)、圣维南理想塑性定律等；反映热力学性质的有克拉珀龙理想气体状态方程、傅里叶热传导方程等。把本构关系写成具体的数学表达形式就是本构方程。在许多文献中，往往都不把本构关系和本构方程区别开来。建立本构方程是理性力学研究的重要内容之一。
本构关系（constitutive relations）是描述材料在时、空中的内部结构的力、温度、变形等之间的关系和运动规律的数学表达式，它描述的是一个变形或者运动过程。
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... 12 中国石油大学（华东）硕士学位论文 第三章桩土接触数值模拟 3．1土的本构关系 材料的本构关系（constitutive relationship）即反应材料的力学性能的数学表达式， 表示形式一般是应力．应变．强度．时间的关系，也称为本构定律或本构方程或本构关系数 学模...
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土的本构关系 Soil Constitutive Relation ; constitutive relation of soil
余本构关系 complementary constitutive relations
动态本构关系 dynamic constitutive relationship
混凝土本构关系 Concrete Constitutive Relation ; Concrete Constitutive Relationship
非线性本构关系 Nonlinear Constitutive Relationship ; nonlinear constitutive relation ; increment-type stress-strain relation
膨胀本构关系 Swelling Constitutive Relationship
剪切本构关系 shear constitutive relationship
粘结滑移本构关系 Bond-slip constitutive relations
So these properties have to be considered when studying its engineering characteristics and constitutive relation.
因此,研究粗粒料工程特性与本构关系时应充分考虑这些固有特性。
参考来源 - 粗粒料大三轴试验研究进展This damage model has better agreement with experiments and has wider applicability than the formal damage model based on Ottosen’s constitutive model does.
另外该模型比基于 Ottosen 本构关系的混凝土三维损伤模型更符合试验结果,适用范围更广。
参考来源 - 混凝土损伤研究Among them, the studies on the FRP-concrete interfacial bond-slip (δ-τ) constitutive law and the debonding failure of FRP strengthening reinforce concrete beams have become two important focuces in recent years.
其中,FRP-混凝土界面的粘结-滑移(δ-τ)本构关系和FRP加固梁混凝土的粘结界面剥离破坏是近年来研究的两个重点。
参考来源 - FRPThe constitutive relation is very important for the computational mechanics.
对于计算力学来说，本构关系的求出是很重要的。
参考来源 - 考虑损伤的混凝土非线性粘弹性本构关系研究The new generalize constitutive theory provided the inference of establishing work of constitutive model for definite material in the geoenviromental engineering and nuclear waste dealing engineering.
本文的本构关系理论可指导环境岩土工程和核废料处理岩土工程的建模工作。
参考来源 - 非平衡态热力学在岩土工程的应用Finally, the nonlinear viscoelastic constitutive equation and the damage evolvementrule are combined to construct a relationship of stress-strain in the damaged area, which iseffective for PMMA with damage.
文章最后将两个试验结果结合起来,得出了损伤区的应力-应变关系式,通过比较发现它与蠕变试验得出的本构关系式,实质上是一致的。
参考来源 - 某些聚合物损伤—破坏的力学行为分析Mid then, based on the result of field of temperature and moisture plane thermo-hydro viscoelastic stress was studied. a FEM formu~ for viscoelastic bodies with eight’sode isoparametric element, based integral relaxation constitutive law was given.
以粘弹性材料的积分松弛型本构关系为基础，推导了平面八节点等参单元的粘弹性体应力计算公式。
参考来源 - 平面粘弹性体热—湿应力有限元法及应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
海底输油软管增强层本构关系研究。
Researches on constitutive relation for reinforced layers of submarine oil pipeline.
也有考虑土的本构关系，用其变形模量进行计算的简化方法。
And there is also simplified method using modulus of deformation by considering constitutive model of soil to calculate settlement.
要想全面地考虑土体本构关系，其模型参数将会多得难以在实践中应用。
However, too many model parameters of soil make the model can not be used in practice.
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