A parametric study of the impact response and damage of laminated cylindrical composite shells

Krishnamurthy, K.S.; Mahajan, Puneet; Mittal, Ravi Kant

doi:10.1016/s0266-3538(01)00015-x

Cited by 70 publications

(48 citation statements)

References 23 publications

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“…Although the above equation was proposed in [Choi et al 1991] for the case of line-loading impact, several further investigators [Choi and Chang 1992;Pradhan and Kumar 2000;Her and Liang 2004;Krishnamurthy et al 2001;Krishnamurthy et al 2003;Kumar et al 2007] assumed this equation to be equally applicable to point-nose impact. However, the present author is of the view that for point-nose impact on curved laminates, the in-plane shear stress τ x y as found in Hashin's matrix failure criterion [1980] must be incorporated in (19) for more accurate estimation.…”

Section: Mathematical Formulationmentioning

confidence: 99%

“…Although geometrical nonlinearity was included, the study assumes that low velocity impact force and deformation can be simulated by a static model and hence does not compute impact response as a function of time. Krishnamurthy et al [2001] used a shell element based on the Mindlin-Reissener assumptions for transverse shear deformation in their parametric study of laminated cylindrical composite shells. In another paper [Krishnamurthy et al 2003], the authors extended their work on the impact response of a laminated composite cylindrical shell as well as a full cylinder by incorporating the classical Fourier series method into the finite element formulation and also predicted impact-induced damage deploying the semiempirical damage prediction model of [Choi and Chang 1992].…”

Section: Introductionmentioning

confidence: 99%

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Analysis of impact response and damage in laminated composite shell involving large deformation and material degradation

Kumar

2008

JOMMS

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A nonlinear finite element analysis of impact response and impact-induced damage in curved composite laminates subjected to transverse impact by a foreign object is carried out. An eight-noded isoparametric quadrilateral shell element incorporating a nonlinear strain displacement relation due to large deflection is developed based on the total Lagrangian approach. The nonlinear system of equations is solved using a Newton-Raphson incremental-iterative method. Example problems of graphite/epoxy cylindrically curved laminates with different curvature are considered and the influence of geometrical nonlinearity on the impact response and the resulting damage is demonstrated. The concurrent effect of material degradation due to impact damage is also investigated.

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Section: Mathematical Formulationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Analysis of impact response and damage in laminated composite shell involving large deformation and material degradation

Kumar

2008

JOMMS

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“…Olsson (2001) proposed an engineering method for predicting the impact response and damage in sandwich panels. Impact response of laminated composite cylindrical shells was investigated by Krishnamurthy et al (2001).Important results of the mentioned method were as follows:(a) Effect of impactor velocity was more than effect of the impactor mass on the contact force of the structure. (b) Impact-induced damage tended to increase with higher velocity of impact.…”

Section: Latin American Journal Of Solids and Structures 12 (2015) 22mentioning

confidence: 99%

High Order Impact Elastic Analysis of Circular Thick Cylindrical Sandwich Panels Subjected to Multi-mass Impacts

Fard

Ghorghabad

Azarnia

et al. 2015

Lat. Am. j. solids struct.

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This study dealt with the dynamic model of composite cylindrical sandwich panels with flexible cores and simply supported boundary conditions under low velocity impacts of multiple large or small masses using a new improved higher order sandwich panel theory (IHSAPT). In-plane stresses were considered for the core and face sheets. Formulation was based on the first order shear deformation theory for the composite face sheets and polynomial description of the displacement fields in the core that was based on the second Frostig's model. Fully dynamic effects of the soft core and face-sheets were considered in this investigation. Impacts were assumed to occur simultaneously and normally over the top facesheet with arbitrarily different masses and initial velocities. The contact forces between the panel and impactors were treated as the internal forces of the system. In this paper, nonlinear contact stiffness was linearized with a newly presented improved analytical method. Numerical results of the mentioned structures were compared with finite element model using ABAQUS code.

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“…However, the overall target response might play an important role in local missile impact effects for low impact velocities and/or high structural flexibilities. Several analytical models are available in the literature [42][43][44][45][46] .…”

Section: Analytical Modelsmentioning

confidence: 99%

Impact Analysis of Concrete Structural Components

Murthy¹,

Palani²,

Iyer³

2010

DSJ

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This paper presents an overview on the concrete structural components subjected to impact loading. The review includes empirical formulae, analytical models, and numerical simulations. Various empirical formulae on penetration depth, perforation, and scabbing limits as well as their ranges of application have been provided. It has been observed that the information available on the validation of these models is limited. There is wider scope to study the performance of well known empirical formulae. Penetration resistance function play an important role in any analytical model. It has been observed that the major limitation is rigid projectile assumption. There is scope to develop new/improved analytical models to represent projectile characteristics. The numerical simulation of concrete structural components subjected to impact loads is a complex phenomenon. From the review, it is observed that employing appropriate material model for concrete, equation-of-state, contact algorithm and definition of yield surface plays significant role in the accurate simulation of concrete structural components. There is ample scope to develop improved methodologies in terms of development of material models and contact algorithms, which can be employed in nonlinear explicit finite element analysis of concrete structural components subjected to impact loading.

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A parametric study of the impact response and damage of laminated cylindrical composite shells

Cited by 70 publications

References 23 publications

Analysis of impact response and damage in laminated composite shell involving large deformation and material degradation

Analysis of impact response and damage in laminated composite shell involving large deformation and material degradation

High Order Impact Elastic Analysis of Circular Thick Cylindrical Sandwich Panels Subjected to Multi-mass Impacts

Impact Analysis of Concrete Structural Components

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