Constitutive Equation
A. Constitutive Equation
... incremental constitutive equation based on Brinson’s constitutive equation extended to consider the asymmetric tensile and compressive ...
6
Finite Element Analysis of V Bending of Polypropylene Using Hydrostatic Pressure Dependent Plastic Constitutive Equation
... plastic constitutive equation that properly describes the hydrostatic-pressure dependence, from the abovementioned ...proposed equation have been verified by calculating the uniaxial loading behavior ...
6
Deformation Mechanism of Fine Grained Superplasticity in Metallic Materials Expected from the Phenomenological Constitutive Equation
... model can explain superplastic behavior not only in metallic materials but also in alumina. 17) Therefore, the deformation model considered here is based on the concept that GBS is the predominant mode of deformation and ...
6
Prediction of the Constitutive Equation for Uniaxial Creep of a Power Law Material through Instrumented Microindentation Testing and Modeling
... Indentation creep tests and fi nite element simulations were performed on a model material to show that the constitutive equation for conventional uniaxial creep can be derived using the instrumented ...
10
Refining an Elastic Constitutive Equation to Predict Aortic Pressure Distributions for Normotensive and Hypertensive Aortas
... Constitutive equations are used to mathematically represent arterial wall mechanical properties. Accurate vascular wall models are crucial for providing acceptable simulation results of arterial blood pressure ...
69
Development of an Elasto Viscoplastic Constitutive Equation for an Al Mg Alloy Undergoing a Tensile Test during Partial Solidification
... constant m, which represents the strain rate dependence of the stress) were determined using a Cuette viscometer from the partially solidified state using Al-8 mass%Cu. The shear properties were then converted to ...
9
A New Constitutive Equation for Superelastic Deformation and Prediction of Martensite Volume Fraction in Titanium Nickel Cupper Shape Memory Alloy
... original constitutive equation, which based on this model, was used to calculate the martensite volume fraction at every point in one cycle of superelastic deformation by making the inverse analysis for the ...
6
The compressive behaviour and constitutive equation of polyimide foam in wide strain rate and temperature
... Abstract. These days, polymer foams, such as polyurethane foam and polystyrene foam, are used in various situations as a thermal insulator or shock absorber. In general, however, their strength is insufficient in high ...
7
Enhanced features of a constitutive equation gap identification method for heterogeneous elastoplastic behaviours
... Various identification techniques have been developed to identify mechanical behaviours and stress fields using kinematic field variables such as displacements or strains obtained by full-field measurement techniques (e.g. ...
13
Constitutive equation of butter at static loading
... the constitutive modelling of fi nite deformation in the commercially obtained butter (composition is 83 % of milk fat) at the temperature 17–20 ...the constitutive model are determined from compression ...
6
Constitutive Equation with Consideration of Slip Deformed Martensite in the Deforming of Ti–Ni Shape Memory Alloy
... In this work, plastic deformation after pre-deforming is considered using the volume fraction of slip-deformed martensite. Changes in transformation temperatures after pre-deforming are also considered. New ...
7
Mathematical formulation of a constitutive Lambert-type differential equation for predicting the dynamic response of materials
... hyperlogistic equation that represents successfully the time-dependent mechanical properties of a variety of viscoelastic ...differential constitutive equation by Monsia [13, ...this ...
14
Hypoplastic constitutive model in SPH
... k ε ˙ k= p tr( ˙ ε 2 ) stands for the Euclidean norm. It can be observed that the constitutive function in Eq. (17) consists of linear part and nonlinear part. The first two terms are linear in ε, and the last ...
6
Constitutive Modeling for Cyclic Plasticity and Ratcheting
... a constitutive model for ratcheting simulations, the models by Chaboche, Ohno- Wang, McDowell, Jiang-Sehitoglu, Voyiadjis-Basuroychowdhury and AbdelKarim-Ohno are evaluated against a set of uniaxial and biaxial ...
141
Towards a fibre-based constitutive law for the myocardium
... We have to supplement equation (7) with a macroscopic constitutive law. As is classical in the homogenization of continuous media, the relationship between a macroscopic deformation and macroscopic stresses ...
6
A constitutive model of polyether-ether-ketone (PEEK)
... The fl ow behaviour of PEEK 450G was tested by Rae et al. (2007) for different temperatures and strain rates with a constitutive model established based on the experimental data. In this study, cylindrical ...
7
A Constitutive Relation for Shape Memory Alloys
... The experimental observations of Shaw and Kyriakides [56] and Brinson et al. [19] indicate that the martensitic transformation is a process that begins locally and advances through the propogation of one or many phase ...
101
Constitutive hyperproduction of sorbicillinoids in Trichoderma reesei ZC121
... 12121‑knockout cassette at the telomere of T. reesei chromosome IV in consideration of the off‑target mutagenesis encountered during the unsuccessful deletion of gene 121121. Strain ZC121, when grown on cellulose, showed ...
16
Constitutive pseudohyphal growth yeast mutants
... The isolated wild type gene referred to as ELM1 is also capable of coding for a novel protein kinase that determines the yeast morphology and specific physiological properties.. Biochemi[r] ...
39
The mathematical modelling of concrete constitutive relationships
... average dowel shear strain increment E Young's modulus E0 concrete Young's modulus slope of the ith hardening section of steel stress-strain curve steel Young's modulus modulus E 3 Young[r] ...
317