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Quarterly Journal of Mechanics and Applied Mathematics最新文献

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The Static Reissner–Sagoci Problem for an Inhomogeneous Finite Cylinder 非齐次有限圆柱的静态Reissner–Sagoci问题
IF 0.9 4区 工程技术
Quarterly Journal of Mechanics and Applied Mathematics Pub Date : 2017-11-01 DOI: 10.1093/QJMAM/HBX021
P. Malits
{"title":"The Static Reissner–Sagoci Problem for an Inhomogeneous Finite Cylinder","authors":"P. Malits","doi":"10.1093/QJMAM/HBX021","DOIUrl":"https://doi.org/10.1093/QJMAM/HBX021","url":null,"abstract":"","PeriodicalId":56087,"journal":{"name":"Quarterly Journal of Mechanics and Applied Mathematics","volume":"70 1","pages":"519-552"},"PeriodicalIF":0.9,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/QJMAM/HBX021","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44408640","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Corrigendum: Exponential Decay in One-Dimensional Porous Dissipation Elasticity 更正：一维多孔耗散弹性的指数衰减
IF 0.9 4区 工程技术
Quarterly Journal of Mechanics and Applied Mathematics Pub Date : 2017-11-01 DOI: 10.1093/QJMAM/HBX027
T. Apalara
{"title":"Corrigendum: Exponential Decay in One-Dimensional Porous Dissipation Elasticity","authors":"T. Apalara","doi":"10.1093/QJMAM/HBX027","DOIUrl":"https://doi.org/10.1093/QJMAM/HBX027","url":null,"abstract":"","PeriodicalId":56087,"journal":{"name":"Quarterly Journal of Mechanics and Applied Mathematics","volume":"70 1","pages":"553-555"},"PeriodicalIF":0.9,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/QJMAM/HBX027","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45990938","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
On the Existence of Self-Similar Converging Shocks in Non-Ideal Materials 非理想材料中自相似汇聚冲击的存在性
IF 0.9 4区 工程技术
Quarterly Journal of Mechanics and Applied Mathematics Pub Date : 2017-11-01 DOI: 10.1093/QJMAM/HBX015
Z M Boyd, S D Ramsey, R. Baty
{"title":"On the Existence of Self-Similar Converging Shocks in Non-Ideal Materials","authors":"Z M Boyd, S D Ramsey, R. Baty","doi":"10.1093/QJMAM/HBX015","DOIUrl":"https://doi.org/10.1093/QJMAM/HBX015","url":null,"abstract":"","PeriodicalId":56087,"journal":{"name":"Quarterly Journal of Mechanics and Applied Mathematics","volume":"70 1","pages":"401-417"},"PeriodicalIF":0.9,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/QJMAM/HBX015","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"42898808","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
Image Conditions for Spherical-Coordinate Separation-of-Variables Acoustic Multiple Scattering Models with Perfectly-Reflecting Flat Surfaces 具有完全反射平面的球坐标变量分离声学多重散射模型的成像条件
IF 0.9 4区 工程技术
Quarterly Journal of Mechanics and Applied Mathematics Pub Date : 2017-11-01 DOI: 10.1093/QJMAM/HBX018
Ho-Chul Shin
{"title":"Image Conditions for Spherical-Coordinate Separation-of-Variables Acoustic Multiple Scattering Models with Perfectly-Reflecting Flat Surfaces","authors":"Ho-Chul Shin","doi":"10.1093/QJMAM/HBX018","DOIUrl":"https://doi.org/10.1093/QJMAM/HBX018","url":null,"abstract":"Efficient implementation of the method of images is addressed for 3D multiple scattering models (MSM) for spheres with perfectly-reflecting flat surfaces. The Helmholtz equation is solved by the spherical-coordinate separation-of-variables approach and addition theorems for spherical wavefunctions. The unknown coefficients of outgoing waves from image objects are related with those of real counterparts through ‘image conditions’ which are derived in this article. The method of images is applied to concave part of wedge-shaped acoustic domains with apex angles of π/n rad for a positive integer n, which includes half-space and corners. Image conditions make the MSM numerically more efficient: memory space is reduced by 4n2 times; matrix is populated 2n- times faster for infinite or 2D wedges. Savings are \u000016n2 times in memory and 4n times in speed for semi-infinite or 3D wedges. Image conditions are valid regardless of the type of scatterers as long as they are spheres and submerged in acoustic domains; they are also suitable for the modified Helmholtz equation and radiation problems. However, specific formulae of image conditions depend on definitions of the spherical harmonics. Image conditions for rigid flat surfaces are verified by measurements of 13 balls in an anechoic chamber for configurations of half-space, 2D & 3D corners and 3D wedge with n=3. Image conditions for pressure-release flat interfaces are validated by the boundary element method (BEM) for the pulsation mode of an underwater air sphere in half-space and for scattering by a sphere in an ocean environment with the wedge angle of 1.2° by n=150. Agreement is very good between the MSM and measurements and is impeccable between the MSM and BEM.","PeriodicalId":56087,"journal":{"name":"Quarterly Journal of Mechanics and Applied Mathematics","volume":"70 1","pages":"419-453"},"PeriodicalIF":0.9,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/QJMAM/HBX018","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45195443","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Spectral Derivatives in Continuum Mechanics 连续体力学中的谱导数
IF 0.9 4区 工程技术
Quarterly Journal of Mechanics and Applied Mathematics Pub Date : 2017-11-01 DOI: 10.1093/QJMAM/HBX014
M. H. B. M. Shariff
{"title":"Spectral Derivatives in Continuum Mechanics","authors":"M. H. B. M. Shariff","doi":"10.1093/QJMAM/HBX014","DOIUrl":"https://doi.org/10.1093/QJMAM/HBX014","url":null,"abstract":"","PeriodicalId":56087,"journal":{"name":"Quarterly Journal of Mechanics and Applied Mathematics","volume":"70 1","pages":"479-496"},"PeriodicalIF":0.9,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/QJMAM/HBX014","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"45706758","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 21
Exponential decay in one-dimensional porous dissipation elasticity 一维多孔耗散弹性的指数衰减
IF 0.9 4区 工程技术
Quarterly Journal of Mechanics and Applied Mathematics Pub Date : 2017-11-01 DOI: 10.1093/QJMAM/HBX012
T. Apalara
{"title":"Exponential decay in one-dimensional porous dissipation elasticity","authors":"T. Apalara","doi":"10.1093/QJMAM/HBX012","DOIUrl":"https://doi.org/10.1093/QJMAM/HBX012","url":null,"abstract":"","PeriodicalId":56087,"journal":{"name":"Quarterly Journal of Mechanics and Applied Mathematics","volume":"70 1","pages":"363-372"},"PeriodicalIF":0.9,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/QJMAM/HBX012","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"47810814","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 43
Comparison of Solution Options for Line-Source Generated Short-Waves in a Wedge with Neumann and Robin Conditions on Respective Faces: Application to Waves on a Plane Beach 在Neumann和Robin条件下楔体内线源产生的短波的求解方案比较：在平面海滩上的应用
IF 0.9 4区 工程技术
Quarterly Journal of Mechanics and Applied Mathematics Pub Date : 2017-11-01 DOI: 10.1093/QJMAM/HBX010
U. Ehrenmark
{"title":"Comparison of Solution Options for Line-Source Generated Short-Waves in a Wedge with Neumann and Robin Conditions on Respective Faces: Application to Waves on a Plane Beach","authors":"U. Ehrenmark","doi":"10.1093/QJMAM/HBX010","DOIUrl":"https://doi.org/10.1093/QJMAM/HBX010","url":null,"abstract":"","PeriodicalId":56087,"journal":{"name":"Quarterly Journal of Mechanics and Applied Mathematics","volume":"70 1","pages":"309-336"},"PeriodicalIF":0.9,"publicationDate":"2017-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/QJMAM/HBX010","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"48484061","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
Cylindrically Anisotropic and Radially Inhomogeneous Elastic Tube Under Surface Loadings 表面载荷作用下圆柱各向异性径向非均匀弹性管
IF 0.9 4区 工程技术
Quarterly Journal of Mechanics and Applied Mathematics Pub Date : 2017-08-01 DOI: 10.1093/QJMAM/HBX008
M. Chung
{"title":"Cylindrically Anisotropic and Radially Inhomogeneous Elastic Tube Under Surface Loadings","authors":"M. Chung","doi":"10.1093/QJMAM/HBX008","DOIUrl":"https://doi.org/10.1093/QJMAM/HBX008","url":null,"abstract":"","PeriodicalId":56087,"journal":{"name":"Quarterly Journal of Mechanics and Applied Mathematics","volume":"70 1","pages":"273-288"},"PeriodicalIF":0.9,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/QJMAM/HBX008","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43669711","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Vortex/Tollmien–Schlichting wave interaction states in the asymptotic suction boundary layer 渐近吸力边界层中的Vortex/Tollmien–Schlichting波相互作用状态
IF 0.9 4区 工程技术
Quarterly Journal of Mechanics and Applied Mathematics Pub Date : 2017-08-01 DOI: 10.1093/QJMAM/HBX004
L. Dempsey, A. Walton
{"title":"Vortex/Tollmien–Schlichting wave interaction states in the asymptotic suction boundary layer","authors":"L. Dempsey, A. Walton","doi":"10.1093/QJMAM/HBX004","DOIUrl":"https://doi.org/10.1093/QJMAM/HBX004","url":null,"abstract":"A self-sustaining interaction between a roll/streak structure and a three-dimensional Tollmien-Schlichting wave is considered at high Reynolds number within the asymptotic suction boundary layer. Strongly nonlinear governing equations, taking the form of a vortex-wave interaction (VWI) are derived and solved numerically. Finite amplitude travelling wave states, bifurcating from the lower branch of the linear neutral curve, are obtained. These states exhibit spanwise focussing, developing steep wall-shear gradients at specific spanwise locations as the wave amplitude rises. A spanwise-local analytic analysis reveals explicitly how the solution gradually loses regularity as the nonlinearity of the VWI system is increased.","PeriodicalId":56087,"journal":{"name":"Quarterly Journal of Mechanics and Applied Mathematics","volume":"70 1","pages":"187-213"},"PeriodicalIF":0.9,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/QJMAM/HBX004","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41749030","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Necking in two-dimensional incompressible polyconvex materials: theoretical framework and numerical simulations 二维不可压缩多凸材料中的颈缩:理论框架和数值模拟
IF 0.9 4区 工程技术
Quarterly Journal of Mechanics and Applied Mathematics Pub Date : 2017-08-01 DOI: 10.1093/QJMAM/HBX006
C. Mora-Corral, Magdalena Strugaru
{"title":"Necking in two-dimensional incompressible polyconvex materials: theoretical framework and numerical simulations","authors":"C. Mora-Corral, Magdalena Strugaru","doi":"10.1093/QJMAM/HBX006","DOIUrl":"https://doi.org/10.1093/QJMAM/HBX006","url":null,"abstract":"","PeriodicalId":56087,"journal":{"name":"Quarterly Journal of Mechanics and Applied Mathematics","volume":"70 1","pages":"249-271"},"PeriodicalIF":0.9,"publicationDate":"2017-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://sci-hub-pdf.com/10.1093/QJMAM/HBX006","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"44197838","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
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