Hybrid determination of equivalent characteristics of perforated plates

Wang, W. C.; Lai, Kai-Hong

doi:10.1007/bf02410497

Cited by 7 publications

(2 citation statements)

References 7 publications

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“…Wang and Lai adopted a hybrid approach to investigate the dynamic behavior of perforate plates which the experimental and numerical method were combined. The equivalent material properties of the perforate plates were obtained by the hybrid method [5].…”

Section: Introductionmentioning

confidence: 99%

Testing and Evaluation of Mechanical Properties for Anisotropic Engineering Materials with Varied Loads

Zhu

et al. 2013

KEM

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This paper is aimed at investigating the influence of load-bearing style on the mechanical behavior of anisotropic engineering materials. The study on elastic constants and failure forms of materials will be presented under different loading condition. Firstly, the mechanical properties of unidirectional holey laminated materials are discussed based on the uniaxial tensile tests. The equivalent elastic modulus, Poisson’s ratio and shear modulus are obtained, and the pattern and mechanism of failure are analyzed. Then, the biaxial tensile tests are carried out for PVC orthotropic membrane materials with different stress ratio between the warp and weft direction. A comparison of limit strengths under biaxial loadings is given with that in uniaxial loading case. Finally, the dynamical behaviors of shape memory alloy (SMA), iron wire, and rubber composite as well as compound rubber are studied respectively by impact-tension tests. The failure forms, energy dissipation ratio and impact-tension toughness of materials are analyzed. It is shown that the mechanical properties and failure pattern of anisotropic materials have much to do with the load-bearing styles. It agrees well with actual properties of anisotropic material used in engineering structures.

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Section: Introductionmentioning

confidence: 99%

Testing and Evaluation of Mechanical Properties for Anisotropic Engineering Materials with Varied Loads

Zhu

et al. 2013

KEM

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“…Parameters such as natural frequencies and mode shapes were extracted and compared with the analysis results. Wang W. C. and Lai K. H. [3] adopted the hybrid method, which combines experimental and numerical methods, to investigate the dynamic behavior of perforated plates. The equivalent material properties of the perforated plates were also obtained by the hybrid method.…”

Section: Introductionmentioning

confidence: 99%

An Analytical Model to Determine Fundamental Frequency of Free Vibration of Perforated Plate by Using Greatest Integer Functions to Express Non Homogeneity

Mali¹,

Singru²

2012

AMR

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This paper aims at determining the fundamental frequency of square perforated plate with square perforation pattern of square holes. Rayleigh’s method is used for the solution of this problem. Non homogeneity in Young’s modulus and density at the perforation is expressed by using greatest integer function i.e. floor function. Boundary condition considered is clamped on all edges. Perforated plate is considered as plate with uniformly distributed mass and holes are considered as non homogeneous patches. The deflected surface of the plate is approximated by a function which satisfies the boundary conditions. Finite Element Method (FEM) modal analysis is carried out to validate the results of the proposed approach.

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On the Use of Greatest Integer Function to Express Material Property Variation in Free Vibration Problem of Simply Supported Square Plates with Square Array of Circular Perforations

Mali

Singru

2014

Procedia Materials Science

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Hybrid determination of equivalent characteristics of perforated plates

Cited by 7 publications

References 7 publications

Testing and Evaluation of Mechanical Properties for Anisotropic Engineering Materials with Varied Loads

Testing and Evaluation of Mechanical Properties for Anisotropic Engineering Materials with Varied Loads

An Analytical Model to Determine Fundamental Frequency of Free Vibration of Perforated Plate by Using Greatest Integer Functions to Express Non Homogeneity

On the Use of Greatest Integer Function to Express Material Property Variation in Free Vibration Problem of Simply Supported Square Plates with Square Array of Circular Perforations

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