3D finite element simulation of sandwich panels with a functionally graded core subjected to low velocity impact

2009 ◽  
Vol 89 (1) ◽  
pp. 28-34 ◽  
Author(s):  
E. Etemadi ◽  
A. Afaghi Khatibi ◽  
M. Takaffoli
Keyword(s):  
Finite Element ◽  
Finite Element Simulation ◽  
Sandwich Panels ◽  
Functionally Graded ◽  
Low Velocity Impact ◽  
Low Velocity ◽  
3D Finite Element ◽  
Velocity Impact ◽  
Element Simulation

scholarly journals Fracture mode of glass plate subject to low-velocity impact: experimental investigation and finite element simulation

2019 ◽  
Vol 6 (6) ◽  
pp. 19-00316-19-00316
Author(s):  
Tomohisa KOJIMA ◽  
Masahiro SUZUKI ◽  
Yuta TAJIRI ◽  
Kazuhiro UTAKAWA ◽  
Mitsuo NOTOMI
Keyword(s):  
Experimental Investigation ◽  
Finite Element ◽  
Finite Element Simulation ◽  
Fracture Mode ◽  
Glass Plate ◽  
Low Velocity Impact ◽  
Low Velocity ◽  
Velocity Impact ◽  
Element Simulation

Transient Dynamic Analysis of Pretwisted Functionally Graded Conical Shells Subject to Low Velocity Impact: A Finite Element Approach

2017 ◽  
Author(s):  
Apurba Das ◽  
Ranojit Banerjee ◽  
Amit Karmakar
Keyword(s):  
Finite Element ◽  
Power Law ◽  
Initial Velocity ◽  
Functionally Graded ◽  
Impact Response ◽  
Low Velocity Impact ◽  
Low Velocity ◽  
Conical Shells ◽  
Velocity Impact ◽  
Power Law Exponent

This paper investigates on the problem of functionally graded (FG) shallow conical shells subjected to low-velocity impact by a solid spherical mass at the centre. Turbomachinery blades with low aspect ratio could be idealized as twisted rotating cantilever FG shallow conical shells. An analytic solution method is developed to solve and predict the impact response in terms of contact force, impactor displacement, initial velocity of impactor, target displacement and indentation of the FG conical shells with different sigmoidal power law exponent. A modified Hertzian contact law considering permanent indentation is used to calculate the contact force along with other impact response parameters. Using the Newmark’s time integration scheme the time dependent equations are solved. An eight noded isoparametric shell element is considered for the present finite element model. Parametric studies are performed to study the effects of triggering parameters like initial velocity of impactor (VOI), mass of the impactor (M0) and twist angle (Ψ) considering different sigmoidal power law exponent (N) for Ni (Nickel)-ZrO2 (Zirconia) and Ti (Titanium alloy-Ti–6Al–4V)-ZrO2 (Zirconia) functionally graded conical shell subjected to low velocity impact.

Impact Response of Laminated Composite Cylindrical Shell: Finite Element Simulation Approach

2013 ◽  
Vol 393 ◽  
pp. 387-392 ◽  
Author(s):  
S. Sharifi ◽  
Thamir Aunal Deen Mohammed Sheet Almula ◽  
Soheil Gohari ◽  
G. Sharifishourabi ◽  
Yob Saed ◽  
...  
Keyword(s):  
Finite Element ◽  
Cylindrical Shell ◽  
Finite Element Simulation ◽  
Laminated Composite ◽  
Impact Response ◽  
Low Velocity Impact ◽  
Composite Cylindrical Shell ◽  
Low Velocity ◽  
Element Simulation ◽  
Shell Finite Element

The effect of low velocity impact response on the thin laminated composite cylindrical shell with different stacking sequences was investigated. Finite element simulation using ABAQUS software was the base of the study during the analysis. The framework was to study the stress and displacement in radial and circumferential directions through finite element simulation. For simplicity, an arbitrarily picked circumferential path at where the impactor impacts the shell surface was selected. The graphs plotted based on stress and displacement variables Vs radial and circumferential directions did not show the significant changes for laminations with different stacking sequences. In addition, The 90 degree along circumferential and radial directions was found to be the critical point.

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