In this work, we present an eXtended Geometry Independent Field approximaTion (X-GIFT) formulation for cracked Kirchhoff-Love plates. The plate geometry is modeled by Non-Uniform Rational B-Splines (NURBS) while the solution is approximated by Polynomial Splines over Hierarchical T-meshes (PHT-splines) and enriched by the Heaviside function and crack tip asymptotic expansions. The adaptive refinement is driven by a recovery-based error estimator. The formulation is employed for bending and vibration analysis. We compare different strategies for refinement, enrichment and evaluation of fracture parameters. The obtained results are shown to be in a good agreement with the reference solutions. (C) 2019 Elsevier B.V. All rights reserved.
机构:
Ho Chi Minh City Univ Technol, VNU HCMC, Fac Sci Appl, Dept Engn Mech, Ho Chi Minh City, VietnamHo Chi Minh City Univ Technol, VNU HCMC, Fac Sci Appl, Dept Engn Mech, Ho Chi Minh City, Vietnam
Nguyen, Khuong D.
Nguyen-Xuan, H.
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机构:
Duy Tan Univ, Da Nang, Vietnam
Sejong Univ, Dept Architectural Engn, Seoul 143747, South KoreaHo Chi Minh City Univ Technol, VNU HCMC, Fac Sci Appl, Dept Engn Mech, Ho Chi Minh City, Vietnam
机构:
VNU HCM, Univ Sci, Fac Math & Comp Sci, Dept Mech, Ho Chi Minh City, Vietnam
Ton Duc Thang Univ, Div Computat Mech, Ho Chi Minh City, VietnamBauhaus Univ Weimar, Inst Struct Mech, Marienstr 15, D-99423 Weimar, Germany
机构:
Ho Chi Minh City Univ Technol, VNU HCMC, Fac Sci Appl, Dept Engn Mech, Ho Chi Minh City, VietnamHo Chi Minh City Univ Technol, VNU HCMC, Fac Sci Appl, Dept Engn Mech, Ho Chi Minh City, Vietnam
Nguyen, Khuong D.
Nguyen-Xuan, H.
论文数: 0引用数: 0
h-index: 0
机构:
Duy Tan Univ, Da Nang, Vietnam
Sejong Univ, Dept Architectural Engn, Seoul 143747, South KoreaHo Chi Minh City Univ Technol, VNU HCMC, Fac Sci Appl, Dept Engn Mech, Ho Chi Minh City, Vietnam
机构:
VNU HCM, Univ Sci, Fac Math & Comp Sci, Dept Mech, Ho Chi Minh City, Vietnam
Ton Duc Thang Univ, Div Computat Mech, Ho Chi Minh City, VietnamBauhaus Univ Weimar, Inst Struct Mech, Marienstr 15, D-99423 Weimar, Germany