Archive of Applied Mechanics最新文献_第3页

Investigating the damping performance and multi-mechanism superposition effects of helical beam oscillator-type seismic metamaterials 研究了螺旋梁振子型地震超材料的阻尼性能和多机制叠加效应

IF 2.2 3区工程技术

Archive of Applied Mechanics Pub Date : 2025-05-02 DOI: 10.1007/s00419-025-02822-7

Hong Hai, Hongyang Sun, Weikai Xu, Wei Wang, Shasha Yuan

{"title":"Investigating the damping performance and multi-mechanism superposition effects of helical beam oscillator-type seismic metamaterials","authors":"Hong Hai, Hongyang Sun, Weikai Xu, Wei Wang, Shasha Yuan","doi":"10.1007/s00419-025-02822-7","DOIUrl":"10.1007/s00419-025-02822-7","url":null,"abstract":"<div><p>Attenuating ultra-low-frequency seismic surface waves (starting frequencies close to 0 Hz) through structural design in confined spaces is a pressing issue. This paper proposes a novel seismic metamaterial (SM) composed of periodically arranged iron box components encased in soil, with helical beam vibrators embedded as resonators to dissipate energy. By combining dispersion analysis and acoustic cone methods, parameter and frequency-domain analyses were conducted on the seismic metamaterial, demonstrating a zero-frequency band gap ranging from 0 to 16.34 Hz under quasi-Dirichlet conditions. While changes in structural parameters minimally affect the width of the zero-frequency band gap, their attenuation effect will significantly vary with the changes in parameter under different mechanisms. This finding suggests that the superposition of multiple mechanisms, such as local resonance and reverse dispersion, effectively creates ultra-low-frequency, high-loss band gaps. Time-domain analysis further validated the effectiveness of the study. The results indicate that multiple damping mechanisms can be superimposed within a specific range, thus enhancing the shielding effect of seismic metamaterials against seismic waves. This research is expected to promote the engineering application of common building materials in shielding seismic waves at deep sub-wavelength frequencies.</p></div>","PeriodicalId":477,"journal":{"name":"Archive of Applied Mechanics","volume":"95 5","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143896739","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Generalized two-node beam element with nodal parameters including displacement gradient 含位移梯度节点参数的广义双节点梁单元

IF 2.2 3区工程技术

Archive of Applied Mechanics Pub Date : 2025-04-29 DOI: 10.1007/s00419-025-02819-2

Guanxin Huang, Mingxuan Li, Zhijun Yang

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An axisymmetric torsion problem by an annular disc of a semi-infinite elastic medium weakened by an annular crack 半无限弹性介质的环形圆盘被环形裂纹削弱的轴对称扭转问题

IF 2.2 3区工程技术

Archive of Applied Mechanics Pub Date : 2025-04-29 DOI: 10.1007/s00419-025-02812-9

B. Kebli, B. Boucena

引用次数: 0

Correction: Upper bound limit analysis of thin plates with a generalized conforming element formulated by the quadrilateral area coordinate method 修正：用四边形面积坐标法建立的广义协调元对薄板进行上限分析

IF 2.2 3区工程技术

Archive of Applied Mechanics Pub Date : 2025-04-25 DOI: 10.1007/s00419-025-02786-8

Jiangtao Xia, Shenshen Chen, Pengyu Zhu

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Physics-based machine learning for modeling of laminated composite plates based on refined zigzag theory 基于精细之字形理论的层合复合材料板物理机器学习建模

IF 2.2 3区工程技术

Archive of Applied Mechanics Pub Date : 2025-04-25 DOI: 10.1007/s00419-025-02816-5

Merve Ermis, Mehmet Dorduncu, Gokay Aydogan

{"title":"Physics-based machine learning for modeling of laminated composite plates based on refined zigzag theory","authors":"Merve Ermis, Mehmet Dorduncu, Gokay Aydogan","doi":"10.1007/s00419-025-02816-5","DOIUrl":"10.1007/s00419-025-02816-5","url":null,"abstract":"<div><p>Physics-based machine learning techniques have recently gained prominence for their ability to model complex material and structural behavior, particularly in laminated composite structures. This study introduces an innovative approach, being the first to employ physics-informed neural networks (PINNs) in conjunction with refined zigzag theory (RZT) for the stress analysis of laminated composite plates. A multi-objective loss function integrates governing partial differential equations (PDEs) and boundary conditions, embedding physical principles into the analysis. Using multiple fully connected artificial neural networks, called feedforward deep neural networks, tailored to handle PDEs, PINNs are trained using automatic differentiation. This training process minimizes a loss function that incorporates the PDEs governing the underlying physical laws. RZT, particularly suitable for the stress analysis of thick and moderately thick plates, simplifies the formulation by using only seven kinematic variables, eliminating the need for shear correction factors. The capability of the proposed method is validated through several benchmark cases in stress analysis, including 3D elasticity solutions, analytical solutions, and experimental results from a three-point bending test based on displacement measurements reported in the literature. These results show consistent agreement with the referenced solutions, confirming the accuracy and reliability of the proposed method. Comprehensive evaluations are conducted to examine the effects of softcore presence, elastic foundation, various lamination schemes, and differing loading and boundary conditions on the stress distribution in laminated plates.</p></div>","PeriodicalId":477,"journal":{"name":"Archive of Applied Mechanics","volume":"95 5","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-04-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00419-025-02816-5.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143871350","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Generalized Ogden’s incompressible isotropic hyperelastic material model supporting the form of Hooke’s law 支持胡克定律形式的广义Ogden不可压缩各向同性超弹性材料模型

IF 2.2 3区工程技术

Archive of Applied Mechanics Pub Date : 2025-04-24 DOI: 10.1007/s00419-025-02815-6

S. N. Korobeynikov

引用次数: 0

Efficient anguilliform swimming simulations via coupled overset mesh and RBF mesh deformation techniques 基于重叠网格和RBF网格变形耦合技术的鳗鱼游泳模拟

IF 2.2 3区工程技术

Archive of Applied Mechanics Pub Date : 2025-04-23 DOI: 10.1007/s00419-025-02811-w

Jiandong He, Chong Wu, Qiuhong Li, Yuan Cui

引用次数: 0

Fiber Orientation optimization and topology optimization for thermal buckling of laminated plates 层压板热屈曲的纤维方向优化和拓扑优化

IF 2.2 3区工程技术

Archive of Applied Mechanics Pub Date : 2025-04-21 DOI: 10.1007/s00419-025-02810-x

Changfu Hu

引用次数: 0

Poroelasticity in infinite orthotropic materials with smooth interfaces via Green’s functions 通过格林函数计算具有光滑界面的无限正交材料的挤弹性

IF 2.2 3区工程技术

Archive of Applied Mechanics Pub Date : 2025-04-20 DOI: 10.1007/s00419-025-02809-4

Muzammal Hameed Tariq, Li-Hua Pan, Yue-Ting Zhou, Jingli Ren, Huayang Dang

{"title":"Poroelasticity in infinite orthotropic materials with smooth interfaces via Green’s functions","authors":"Muzammal Hameed Tariq, Li-Hua Pan, Yue-Ting Zhou, Jingli Ren, Huayang Dang","doi":"10.1007/s00419-025-02809-4","DOIUrl":"10.1007/s00419-025-02809-4","url":null,"abstract":"<div><p>Green’s functions are essential analytical tools in physics, providing key insights into the behavior of complex multiphase systems. This study examines poroelastic effects in infinite orthotropic materials with smooth contact interfaces using Green’s functions, which play a significant role in flotation mattresses and rock–soil systems. By employing strict differential operator theory and potential theory, we present compact mono-harmonic general solutions to the governing equations that satisfy sixth-order homogeneous partial differential equations. Based on the obtained compact general solution, the 2D fundamental solution for a steady line fluid source in an infinite orthotropic poroelastic plane with smooth interfaces is derived using six newly introduced harmonic functions.functions, ensuring their ease of use in practical applications. Numerical simulations, presented through non-dimensional contours and spatial visualization, reveal elliptical behavior, high-density levels near the fluid source, decay at a distance, higher-order singularities, zero-common tangents, and adherence to interface continuity conditions.</p></div>","PeriodicalId":477,"journal":{"name":"Archive of Applied Mechanics","volume":"95 5","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-04-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143852530","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"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

Experimental and numerical investigation of the evolution of residual stresses under cyclic mechanical loading 循环机械载荷下残余应力演化的实验与数值研究

IF 2.2 3区工程技术

Archive of Applied Mechanics Pub Date : 2025-04-17 DOI: 10.1007/s00419-025-02803-w

Tom Schneider, Jens Gibmeier, Markus Kästner

{"title":"Experimental and numerical investigation of the evolution of residual stresses under cyclic mechanical loading","authors":"Tom Schneider, Jens Gibmeier, Markus Kästner","doi":"10.1007/s00419-025-02803-w","DOIUrl":"10.1007/s00419-025-02803-w","url":null,"abstract":"<div><p>Forming-induced residual stresses highly influence the performance of metallic engineering components. They offer great potential particularly for increasing fatigue life by targeted introduction of compressive residual stresses in failure-critical areas. However, this only holds true if one can understand and predict the change of residual stresses under cyclic mechanical loading and thus ensure their stability. In the present paper, we introduce a combined experimental and numerical approach for the investigation of residual stress evolution under cyclic mechanical loading. Therefore, a suitable experiment is conceptualized and realized using a 4-point bending setup. The initial plastic deformation of each specimen is followed by a certain number of load cycles and experimental residual stress analyses. From this, a course of residual stresses over the fatigue life is constructed. In order to simulate the determined change in residual stresses, a cyclic plasticity model is proposed that takes into account the nonlinear kinematics due to the large deflection of the beam. A parametrization algorithm is presented, which employs a global optimization strategy using uniaxial stress–strain data from various parametrization experiments. The final comparison of experimental and numerical results shows a qualitative agreement. Their stabilization level after a few thousand load cycles can be predicted.</p></div>","PeriodicalId":477,"journal":{"name":"Archive of Applied Mechanics","volume":"95 5","pages":""},"PeriodicalIF":2.2,"publicationDate":"2025-04-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://link.springer.com/content/pdf/10.1007/s00419-025-02803-w.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143845638","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0