LOW- VELOCITY IMPACT RESPONSE OF BIAXIAL PRE-STRESSED COMPOSITE SANDWICH PLATES USING NEW ANALYTICAL PROCEDURE

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MALEKZADEH K.; KHALILI MOHAMMAD REZA; MITTAL R.K.

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Journal Paper

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Journal: AMIRKABIR Year:2006 | Volume:16 | Issue:63-B Page(s): 49-58

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Title

LOW- VELOCITY IMPACT RESPONSE OF BIAXIAL PRE-STRESSED COMPOSITE SANDWICH PLATES USING NEW ANALYTICAL PROCEDURE

Author(s)

MALEKZADEH K. | KHALILI MOHAMMAD REZA | MITTAL R.K. | Issue Writer Certificate

Keywords

SANDWICH PLATE

BIAXIAL PRE-STRESSES

LOW-VELOCITY IMPACT

SOFT FLEXIBLE CORE

NEW PROCEDURE

Abstract

A new computational procedure based on two Spring-Mass-Damper-Dashpot (SMDD) and Spring-Mass- Damper (SMD) models representing contact behavior between the impactor and the plate are presented to study the low velocity impact phenomenon of SANDWICH PLATEs comprising of a transversely flexible core and laminated composite face-sheets. The interaction between the impactor and the plate is modeled with the help of a new system having three-degree of-freedom, consisting of spring-mass-damper-dashpot or spring mass- damper. The plate may be subjected to initial in-plane biaxial normal and shear stresses along the edges of the plate. Impact is assumed to occur normally over the top or the bottom face-sheets, at arbitrary location. The boundary conditions of the top and the bottom face-sheets are independent. The effects of transverse flexibility of the core and structural damping of the plate are considered in the proposed models. Based on these models, the analytic functions describing the contact force, the transverse deflections of the impactor and the plate are derived. The effects of some parameters such as plate aspect ratio, boundary conditions, initial in-plane biaxial stresses, and impact location are examined in details.

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APA: Copy

MALEKZADEH, K., KHALILI, MOHAMMAD REZA, & MITTAL, R.K.. (2006). LOW- VELOCITY IMPACT RESPONSE OF BIAXIAL PRE-STRESSED COMPOSITE SANDWICH PLATES USING NEW ANALYTICAL PROCEDURE. AMIRKABIR, 16(63-B), 49-58. SID. https://sid.ir/paper/544605/en

Vancouver: Copy

MALEKZADEH K., KHALILI MOHAMMAD REZA, MITTAL R.K.. LOW- VELOCITY IMPACT RESPONSE OF BIAXIAL PRE-STRESSED COMPOSITE SANDWICH PLATES USING NEW ANALYTICAL PROCEDURE. AMIRKABIR[Internet]. 2006;16(63-B):49-58. Available from: https://sid.ir/paper/544605/en

IEEE: Copy

K. MALEKZADEH, MOHAMMAD REZA KHALILI, and R.K. MITTAL, “LOW- VELOCITY IMPACT RESPONSE OF BIAXIAL PRE-STRESSED COMPOSITE SANDWICH PLATES USING NEW ANALYTICAL PROCEDURE,” AMIRKABIR, vol. 16, no. 63-B, pp. 49–58, 2006, [Online]. Available: https://sid.ir/paper/544605/en

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