STRESS WAVE PROPAGATION MODELLING IN ONE-DIMENSIONAL MICROPOLAR RODS USING A NEW WAVE FINITE ELEMENT METHOD

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Mirzajani Mohsen; KHAJI NASER

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Journal: Modares Mechanical Engineering Year:2017 | Volume:17 | Issue:5 Page(s): 405-412

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Information Journal Paper

Title

STRESS WAVE PROPAGATION MODELLING IN ONE-DIMENSIONAL MICROPOLAR RODS USING A NEW WAVE FINITE ELEMENT METHOD

Author(s)

Mirzajani Mohsen | KHAJI NASER | Issue Writer Certificate

Keywords

MICROPOLAR ELASTICITYQ1

WAVE FINITE ELEMENT METHODQ1

WAVE PROPAGATIONQ2

MICROPOLAR RODQ1

IMPACTQ2

Abstract

In this paper, the WAVE FINITE ELEMENT METHOD (WFEM) is developed for modelling of stress WAVE PROPAGATION in one-dimensional problem of nonhomogeneous linear, anisotropic MICROPOLAR ROD of variable cross section. For this purpose, the WFEM equations are developed based on the micropolar theory of elasticity. Two kinds of waves with fast and slow velocities are detected. For micropolar medium, an additional rotational Degree of Freedom (DOF) is considered besides the classical elasticity’s DOF. The method proposed in this paper is implemented to solve the WAVE PROPAGATION and IMPACT problems in MICROPOLAR RODs with different layers. The results of the proposed method are compared with some numerical and/or analytical solutions available in the literature, which indicate excellent agreement between the results.

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APA: Copy

Mirzajani, Mohsen, & KHAJI, NASER. (2017). STRESS WAVE PROPAGATION MODELLING IN ONE-DIMENSIONAL MICROPOLAR RODS USING A NEW WAVE FINITE ELEMENT METHOD. MODARES MECHANICAL ENGINEERING, 17(5 ), 405-412. SID. https://sid.ir/paper/179191/en

Vancouver: Copy

Mirzajani Mohsen, KHAJI NASER. STRESS WAVE PROPAGATION MODELLING IN ONE-DIMENSIONAL MICROPOLAR RODS USING A NEW WAVE FINITE ELEMENT METHOD. MODARES MECHANICAL ENGINEERING[Internet]. 2017;17(5 ):405-412. Available from: https://sid.ir/paper/179191/en

IEEE: Copy

Mohsen Mirzajani, and NASER KHAJI, “STRESS WAVE PROPAGATION MODELLING IN ONE-DIMENSIONAL MICROPOLAR RODS USING A NEW WAVE FINITE ELEMENT METHOD,” MODARES MECHANICAL ENGINEERING, vol. 17, no. 5 , pp. 405–412, 2017, [Online]. Available: https://sid.ir/paper/179191/en

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