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Article
Numerical and Experimental Investigation of the Burst Resistance of Glass-Fiber Thermoplastic Composite Pipes under Internal Pressure
Experimental tests and numerical studies were performed to investigate the burst performance of thermoplastic composite pipes (TCPs) under internal pressure. A progressive damage model is established to predic...
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Article
A Note on the Oscillation of Second-Order Quasilinear Neutral Dynamic Equations on Time Scales
By using a new method, we improve some results obtained in [S. H. Saker, Nonlin. Oscillat.,13, No. 3, 407–428 (2011)].
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Article
Interface-Capturing Method for Calculating Transport Equations for a Multicomponent Heterogeneous System on Fixed Eulerian Grids
In this paper, we consider a new numerical method for solving the transport equations for a multicomponent heterogeneous system on fixed Eulerian grids. The system consists of an arbitrary number of components...
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Article
The extended finite element method with novel crack-tip enrichment functions for dynamic fracture analysis of interfacial cracks in piezoelectric–piezomagnetic bi-layered structures
This paper investigates the dynamic fracture problems of interfacial cracks in piezoelectric–piezomagnetic (PE–PM) bi-layered composite structures under in-plane coupled electro-magneto-mechanical impact loadi...
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Article
On \( {\varSigma}_t^{\sigma } \) -Closed Classes of Finite Groups
All analyzed groups are finite. Let σ = {σi| i ∈ I} be a partition of the set of all primes ℙ. If n is an integer, then the symbol σ(n) denotes a set {σi| σi ∩ π(n) ≠ ∅}. The integers n and m are called σ -coprim...
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Article
A modified decomposition method to solve linear elliptic partial differential equations in anisotropic domains by enhancing isotropic responses
A modified version of Adomian decomposition method is presented and applied to solve linear elliptic differential equations in anisotropic domains in a recursive manner. A complementary constitutive decomposit...
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Article
Open AccessA boundary integral equation method in the frequency domain for cracks under transient loading
This paper concerns the fracture mechanics problem for elastic cracked materials under transient dynamic loading. The problem is solved by use of the boundary integral equations in the frequency domain, and th...
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Chapter and Conference Paper
Numerical Simulation of Elastic Wave Propagation in Layered Phononic Crystals with Strip-Like Cracks: Resonance Scattering and Wave Localization
The periodicity violation due to single or distributed cracks may change the wave reflection and transmission properties of periodically layered composites or one-dimensional . Numerical models for in-plane w...
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Article
Effects of Neurotrophin-3 Plasmids on Myocyte Apoptosis and Ca2+-ATPase Content in the Muscle After Nerve Injury in Rats
We estimated the influence of plasmids with DNA carrying the neurotrophin-3 (NT-3) gene on apoptosis in the gastrocnemius muscle and content of Ca2+-ATPase in the latter after sciatic nerve injury. Sixty adult Wi...
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Article
Analysis of two intersecting three-dimensional cracks by a BIEM
Hypersingular integral equations for two intersecting three-dimensional cracks are derived by using Somigliana formula, in which the unknown functions are the displacement discontinuities on the crack-surfaces...
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Article
Guided wave characteristics in functionally graded piezoelectric rings with rectangular cross-sections
For the purpose of design and optimization of functionally graded piezoelectric material (FGPM) transducers, wave propagation in FGPM structures has received much attention in the past twenty years. But previo...
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Article
Dispersion curves of 2D rods with complex cross-sections: double orthogonal polynomial approach
Orthogonal polynomial series approach has been used to analyze the guided wave propagation in structures for about 20 years. These structures have always one infinite dimension in the waveguiding direction and...
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Article
Tomato Tm-2 2 gene confers multiple resistances to TMV, ToMV, PVX, and PVY to cultivated potato
Viral infection seriously affects the yield and quality of potato tubers. Breeding of virus-resistant potato (Solanum tuberosum L.) varieties is essential. Introduction of resistance genes from other Solanaceae s...
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Article
Evaluation of strongly singular domain integrals for internal stresses in functionally graded materials analyses using RIBEM
An accurate evaluation of strongly singular domain integral appearing in the stress representation formula is a crucial problem in the stress analysis of functionally graded materials using boundary element me...
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Article
Dynamic Stresses Due to Time-Harmonic Elastic Wave Incidence on Doubly Periodic Array of Penny-Shaped Cracks
The symmetric frequency-domain problem of the interaction effects in rectangular lattice system of coplanar penny-shaped cracks located in an infinite elastic solid is numerically investigated. The problem is ...
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Article
On wave propagation in anisotropic elastic cylinders at nanoscale: surface elasticity and its effect
Material heterogeneity induced by a surface or interface may be neglected at macroscale since the surface-to-volume ratio is usually small. However, its effect can become significant for structures at nanoscal...
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Article
Crack analysis in decagonal quasicrystals by the MLPG
A meshless method based on the local Petrov-Galerkin approach is proposed to solve initial-boundary-value crack problems in decagonal quasicrystals. These quasicrystals belong to the class of two-dimensional (...
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Article
Influences of initial stresses on guided waves in functionally graded hollow cylinders
Limitations of the manufacturing technology result in the existence of initial stresses in functionally graded material (FGM) structures. In the context of the theory of “Mechanics of Incremental Deformations,...
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Chapter and Conference Paper
Propagation of SAW and PSAW in a Smart AlN/Diamond/γ-TiAl Structure
For online monitoring and prediction of surface or near-surface changes such as corrosion, cracks and crack-like defects, propagation of surface acoustic waves (SAW) and pseudo surface acoustic waves (PSAW) in...
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Article
Dynamic crack interactions in magnetoelectroelastic composite materials
In this paper, the dynamic interactions among cracks embedded in a two-dimensional (2-D) piezoelectric-piezomagnetic composite material are analyzed by means of a hypersingular formulation of the boundary elem...
