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Derivation of Knockdown Factors for Common Bulkhead Structures Considering Geometric Initial Imperfection and Heat Transfer Effects
The common bulkhead structure can be used to reduce the weight of the space launch vehicles. In this paper, the nonlinear postbuckling analyses are...
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Nonlinear transient response analysis of rotating carbon nanotube reinforced composite cylindrical shells with initial geometrical imperfection
At present, the dynamic studies of cylindrical shells are mostly limited to free- and forced vibration, the transient response of which is very...
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Non-rectangular plates with irregular initial imperfection subjected to nonlinear static and dynamic loads
This manuscript deals with the static and dynamic buckling of plates with non-rectangular shapes. The plate has an uneven imperfection and is made of...
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Influence of an initial imperfection on hygro-thermo-mechanical behaviors of FG plates laid on elastic foundation
The behavior of functionally graded plates with initial geometrical imperfection laid on elastic Winkler-Pasternak foundation is presented in this...
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Evaluation of the Residual Capacity of a Submarine for Different Limit States with Various Initial Imperfection Models
The current design philosophy for submarine hulls, in the preliminary design stage, generally considers as governing limit states material yielding...
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Study of Initial Imperfection of Concrete-Filled Square Steel Tube Columns for Direct Analysis
The initial imperfection and residual stress play important roles in the buckling resistance of both structural system and structural members. The...
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Nonlinear resonance of axially moving graphene platelet-reinforced metal foam cylindrical shells with geometric imperfection
The present work pays attention to the primary resonance of axially moving graphene-reinforced mental foam (GPLRMF) cylindrical shells with geometric...
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Imperfection Insensitivity of Origami-Inspired Tubular Structures
Axially loaded tubular structures are known to be highly sensitive to initial geometric imperfections, which can significantly reduce their design...
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Nonlinear primary resonance analysis of initially stressed graphene platelet reinforced metal foams doubly curved shells with geometric imperfection
This paper studies the nonlinear primary resonance behavior of graphene platelet reinforced metal foams (GPLRMFs) doubly curved shells with initial...
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Imperfection-enabled memristive switching in van der Waals materials
Memristive devices can offer dynamic behaviour, analogue programmability, and scaling and integration capabilities. As a result, they are of...
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Nonlinear Dynamic Analysis of Truss with Initial Member Length Imperfection Subjected to Impulsive Load Using Mixed Finite Element Method
This paper is concerned with the dynamic analysis of truss with initial member length imperfection under impulsive load considering geometric...
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The effect of interfacial imperfection on the nonlinear dynamic behavior of composite laminates under low-velocity impact
Interfacial imperfection usually exists in composite laminates, which are widely used in the aerospace and shipbuilding industries. Such laminates...
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Investigation of Buckling Knockdown Factors for Pressurized Metallic Cylinders Using Various Numerical Modeling Techniques of Initial Imperfections
Nonlinear postbuckling analyses are conducted to investigate the buckling KnockDown Factors (KDF) for pressurized metallic cylinders. The nonlinear...
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Automated Geometric Imperfection Detection and Quantification of CFS Members from Point Clouds
Cold-formed steel (CFS) has become widely used as a construction material in the last decade. Many studies have been performed to investigate the...
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Applying Mixed FEM in Non-linear Dynamic Analysis of Plane Truss with Imperfection in Length
The article presents the dynamic analysis of plane trusses with the imperfection in the length of elements. The establishment of the finite element...
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Nonlinear low-velocity impact response of GRC beam with geometric imperfection under thermo-electro-mechanical loads
This paper presents an investigation on thermo-electro-mechanical nonlinear low-velocity impact behaviors of the geometrically imperfect functionally...
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Nonlinear low-velocity impact response of graphene platelet-reinforced metal foam cylindrical shells under axial motion with geometrical imperfection
This paper investigates the nonlinear low-velocity impact response of geometrically imperfect graphene platelets-reinforced metal foams (GPLRMF)...
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Comparison between the Marciniak and Kuczyński imperfection approach and bifurcation theory in the prediction of localized necking for porous ductile materials
To prevent the occurrence of localized necking, the concept of forming limit diagram is often used, thus playing an important role in sheet metal...
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Influence of initial geometric imperfection on static and free vibration analyses of porous FG nanoplate using an isogeometric approach
In this paper, the size-dependent analysis of geometrically imperfect porous functionally graded (FG) nanoplates is studied by an isogeometric...
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Numerical Modeling of the Influence of the Factors of Imperfection of Perforation on Velocity Fields in an Oil and Gas Stratum
A study has been made of the pressure and velocity fields of filtration flows appearing in extracting hydrocarbons from sands penetrated imperfectly....