Boundary element analysis of adhesively bonded joints

2006 ◽  
Vol 26 (3) ◽  
pp. 133-144 ◽  
Author(s):  
Madhukar Vable ◽  
JaiHind Reddy Maddi
Keyword(s):  
Boundary Element ◽  
Bonded Joints ◽  
Adhesively Bonded ◽  
Element Analysis ◽  
Adhesively Bonded Joints ◽  
Boundary Element Analysis

Nonlinear Viscoelastic Finite Element Analysis of Adhesive Joints

1988 ◽  
Vol 16 (3) ◽  
pp. 146-170 ◽  
Author(s):  
S. Roy ◽  
J. N. Reddy
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Viscoelastic Behavior ◽  
Bonded Joints ◽  
Adhesively Bonded ◽  
Element Analysis ◽  
Adhesively Bonded Joints ◽  
Nonlinear Viscoelastic ◽  
Structural Failures ◽  
Updated Lagrangian

Abstract A good understanding of the process of adhesion from the mechanics viewpoint and the predictive capability for structural failures associated with adhesively bonded joints require a realistic modeling (both constitutive and kinematic) of the constituent materials. The present investigation deals with the development of an Updated Lagrangian formulation and the associated finite element analysis of adhesively bonded joints. The formulation accounts for the geometric nonlinearity of the adherends and the nonlinear viscoelastic behavior of the adhesive. Sample numerical problems are presented to show the stress and strain distributions in bonded joints.

scholarly journals Design and Analysis Methods for Composite Bonded Joints

2021 ◽  
Vol 2021 (1) ◽  
pp. 45-63
Author(s):  
Przemysław Dobrzański ◽  
Witold Oleksiak
Keyword(s):  
Beam Model ◽  
Bonded Joints ◽  
Adhesively Bonded ◽  
Element Analysis ◽  
Adhesively Bonded Joints ◽  
Closed Form Solutions ◽  
Analysis Methods ◽  
Practical Engineering ◽  
Weight Penalty ◽  
Lag Model

Abstract A literature review on existing design and analysis methods for composite adhesively bonded joints has been conducted. Methods that might form a basis for development of practical engineering methodology for adhesively bonded joints were selected and described. Starting from the simplest and the fastest analytical methods (closed-form solutions): average shear stress, shear lag model and adhesive beam model through more complex and more time consuming numerical methods supported by finite element analysis: global models, local models, cohesive zone models. Assumptions and applicability of each method was discussed. Simple and fast methods in order to be reliable have to include many conservative assumptions and therefore may lead to over-designed structure (weight penalty). Structural optimization and weight reduction require the usage of more complex and time consuming methods. Therefore, selection of adequate methods should always be balanced against strength, durability, costs and weight.

Stress Distribution of Bonded Joint with Rubbery Adhesives

2011 ◽  
Vol 189-193 ◽  
pp. 3427-3430
Author(s):  
Xiao Cong He
Keyword(s):  
Stress Distribution ◽  
Stress Component ◽  
Adhesive Layer ◽  
Bonded Joints ◽  
Adhesively Bonded ◽  
Shear Stress Component ◽  
Element Analysis ◽  
Adhesively Bonded Joints ◽  
Bonded Joint ◽  
Stress Components

This paper deals with the stress distribution in adhesively bonded joints with rubbery adhesives. The 3-D finite element analysis (FEA) software was used to model the joint and predict the stress distribution along the whole joint. The FEA results indicated that there are stress discontinuities existing in the stress distribution within the adhesive layer and adherends at the lower interface and the upper interface of the boded section for most of the stress components. The FEA results also show that the stress field in the whole joint is dominated by the normal stresses components S11, S33 and the shear stress component S13. The features and variations of these critical stresses components are discussed.

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