TAILIEUCHUNG - The buckling of three-phase orthotropic composite plates used in composite shipbuilding

This paper presents the investigation on the buckling of three-phase orthotropic composite plates used in shipbuilding subjected to mechanical loads by analytical approach. The basic equations are established based on the Classical Plate Theory. The analytical method is used to obtain the expressions of critical loads of the three-phase composite plate. The results in the article are compared to the results obtained by other authors to validate the reliability of the present method. The approach in this direction is for. | VNU Journal of Science: Mathematics – Physics, Vol. 34, No. 4 (2018) 92-109 The Buckling of Three-phase Orthotropic Composite Plates Used in Composite Shipbuilding Pham Van Thu* Nha Trang University, 44 Hon Ro, Phuoc Dong, Nha Trang, Khanh Hoa, Vietnam Received 20 August 2018 Revised 27 December 2018; Accepted 31 December 2018 Abstract: This paper presents the investigation on the buckling of three-phase orthotropic composite plates used in shipbuilding subjected to mechanical loads by analytical approach. The basic equations are established based on the Classical Plate Theory. The analytical method is used to obtain the expressions of critical loads of the three-phase composite plate. The results in the article are compared to the results obtained by other authors to validate the reliability of the present method. The approach in this direction is for. The effects of fiber and particle volume fraction, material and geometrical parameters on the critical load of three-phase composite plates are discussed in detail. Keywords: Buckling, three-phase composite, critical load, orthotropic plate, composite shipbuiding. 1. Introduction Composite is a material composed of two or more component materials to obtain better properties compared to other regular materials [1,3]. Therefore, composite materials are widely used in all fields: power, aviation, construction, shipbuilding, civil and medical fields In addition to advantages of composite material such as: nonreactive with environment, lightweight, durable in corrosive environment, it also has disadvantages: easily permeable, flammable features [2,3] and low level of hardness. In the shipbuilding industry, nowadays small and medium-sized patrol boats, cruise ships, and fishing boats are mainly made from composite material. In order to increase the waterproofing, fireretardancy and the hardness of the material, besides the fiber reinforcement usually added reinforced particles to the reinforced polymer matrix .

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