A Study on ANSYS (Workbench) Software for the Single Riveted Lap Joints
Investigating ANSYS (Workbench) Software for the Analysis and Design of Single Riveted Lap Joints
by Chirag Singh*, Dr. Navneet Kumar,
- Published in Journal of Advances and Scholarly Researches in Allied Education, E-ISSN: 2230-7540
Volume 14, Issue No. 2, Jan 2018, Pages 1647 - 1652 (6)
Published by: Ignited Minds Journals
ABSTRACT
This research is concerned with the stress examination of riveted lap joints. The existing research includes the correct design and characterisation of such joints for optimum use. Using the finite element approach, stress fracture analyzes are conducted as well as in the residual stress area actual tensile load. Using two-step procedure, the riveting phase and corresponding tensile loading of the lap joint are modeled to assess the residual and total stress level. Residual tension related to riveting is caused by intervention and clamping by the misfit system. The impact of the riveting method parameters on the tension condition was investigated by using various intervention and clamping misfit values. Two fractures, namely the semi-elliptical surface crack at the disappearing surface of the plates and also the quarter elliptical corner crack at the rivet opening, are the most commonly encountered crack forms in the riveted joints. Fracture study of broken riveted joints is conducted by applying these two types of cracks to the outer plate perpendicular to the loading. The methodology of the finite variable were used in the study of the present job. The present research has demonstrated that riveted joints are equivalent to riveted joints. The riveted joint tends to stabilize and regulate tension and to be uniformly spread. It increases the quality and longevity of the riveted joints. Modeling is performed by CATIA V 16.0 and the study of riveted lap joints can be achieved by utilizing ANSYS (Workbench) version 14.0.
KEYWORD
ANSYS, Workbench, software, single riveted lap joints, stress examination, design, characterization, finite element approach, stress fracture analysis, residual stress, tensile load, riveting phase, tensile loading, residual tension, intervention, clamping, misfit system, riveting method parameters, semi-elliptical surface crack, quarter elliptical corner crack, fracture study, finite variable, CATIA V 16.0, quality, longevity
INTRODUCTION
Bolts are used as an unchanging brace. Rivet joints are like welded and joined joints in these axes. Although considering the price of riveted joints, similar estimates are used for bolt joints. Bolts have been used in a broad variety of uses, from shipbuilding, boilers, water vessels, additions and foundations, and so on. There has lately been a dramatic change from riveted joints to welded, fused and even screwed joints. A riveted joint, in greater sizes, is often less costly than other alternatives, but needs a higher degree of experience and more exposure to both sides of the joint There are exacting requirements and codes for riveted joints used for auxiliary / pressure boats, although the rules are less specific regarding the usage of riveted joints in other mechanical structures Mechanical joints. Non-permanent joints may be stored and camouflaged without destroying the pieces. EG of these joints are strung fasteners (like screw joints), keys and couplings, and so on. Perpetual joints cannot be concealed without destroying the parts. Such parts may be of two types, depending on the concept of force that binds the two pieces together. It can be at a mechanical starting point, e.g. riveted joints, press-shaped joints or interference ties, and so on, where two parts are connected through the application at mechanical force. The pieces may also be connected by sub-atomic forces, e.g. welded joints, brazed joints, fused joints and so on.
RIVET
A Rivet is a thin cylindrical rod with a head and a lower end. The essential structure of the bolt is called the bolt (see figure 1.1). As per Indian norm, bolt heads are of various kinds. For general purposes, Bolts are calculated by Indian gauges IS: 2155-1982 (under 12 mm diameter) and IS: 1929-1982 (from 12 mm to 48 mm diameter). Bolt points out that the boiler works used was defined by IS: 1928-1978. Riveting is an operation in which two plates are placed together with the aid of a bolt. Enough hydraulic strength is used to keep the joint stage, the head by means of support bar methods as seen in fig 1.2, significant force is added to the tail end with a move before the tail is plastically bent to the appropriate form.
Fig. 1.1 & 1.2: Rivet Terminology and Riveting Operation.
ANSYS
The ANSYS (workbench) V 16.0 programming software are used for a multipurpose finite element system that can be used to solve a variety of specific areas. Study in manufacturing. ANSYS (workbench) V 16.0 has also been developed and new special features have been applied to the software, such as substructure, sub modeling, spontaneous vibration, open convection fluid analysis, acoustics, electrical, piezoelectric, field analysis and system optimization.
Program Overview
Analyzed for every question in ANSYS, three key steps must be taken. It's Preprocessor, Answer, and Postprocessor. The ANSYS data is configured using a preprocessor. The general preprocessor provides efficient solid modeling and mesh creation capacities, and it is used to describe all other research data such as geometric properties including real constants, material properties, limits, weights, stiffness damping, etc.
General Procedure to Solve and Problem in ANSYS ANSYS program has several FEM capabilities varying from simple, linear, static analytics to complicated, non-linear, transient dynamic analysis Every question in ANSYS needs to go through the three key steps Construct a model, Submit loads and get a solution Evaluation output. Building the Model
This concept model is designed with use of CATIA V 16.0 as well as the content properties of this program by having appropriate constraining. This three-stage process evolved first by designing the entire structure as part of a single file with a different file and then installed with a restriction in the assembly, i.e. the product area. Then migrate this pattern to the "stp" format to the ANSYS (workbench) importer. Boundary constraints and specific loads working on the model are implemented either in preprocessor and on the touch surface of the component. The loading in the ANSYS system are: DOF constraints, Arms, Ground loads, Body loads.
Defining the category of Analysis and Analysis Options
Dynamic analysis: that is used in the assessment of displacements, tension, etc. under dynamic loading conditions. Linear and nonlinear static evaluation. Nonlinearities can involve plasticity, stress stiffening, broad deflection, high pressure, high elasticity, touch surfaces, and crawl. Our main approach is "Fixed Approach."
Specifying Load Step Options
The subsequent path is often used to options for loading the stage. Main Menu => Solution => Insert option
Initiating the Solution
The approach to the problems is started using the corresponding route. Main Menu => Solution => Solve
Initiating the Results
During the response, some sort of outcome can be shown by continuing the road. Main Menu => Solution => Insert Results.
LITERATURE REVIEW
Swapnil S. Ingle et al. TIG welding (Tungsten Inert Gas) has been commonly used for the development of various metal structures owing to its fast welding. TIG welding is adaptable and has fewer degradation of metal components and can be shielded from the atmosphere by inert gas, e.g. Oxygen, Argon and Oxygen and Argon mixtures. The goal is to analyze the temperature spectrum of the 5 mm work piece dense TIG welded board. Thermo-Mechanical reconstruction is produced in the light of the test temperature records in specific areas during the TIG welding process. The connection with the temperature determined by the thermocouples records indicates that the effects of the present re-enactment are strongly competitive with the test details. Kundan Kumar et al. TIG welding is among the major joining material technologies widely used in
proper models to determine the temperature theft character of TIG welding. The temperature theft that happens through single / multipass welding influences the microstructure of the steel, the strength, the material properties & resulting pressures which will be present in the welded steel. Exceptionally inadequate knowledge on temperature theft during welding of plates is accessible in writing. Exploratory studies should be undertaken to determine the distribution of temperature through single / multipass welding of heated steel plates. Currently, Ch. Indira Priyadarsini et al. has been and continues to large concerns of such businesses, for example, shipbuilding and rapid train control, the problem of residual tension and wide bending. In the past few decades, various work projects have been directed at regulating the conditions of the welding cycle directed at minimizing contortions and long-lasting tension impacts. Nevertheless, in actual life, a number of funds are now being invested on remodeling welds, thus rising the cost of development and postponing job efficiency. Due to decrease the remaining stresses and bends of the welding activity, it is assumed that it would be necessary to consider the consequence of the welding process parameters on the reactions. Right now, the exploratory study has been undertaken to determine the impacts of heat intake, rpm, wire feed rate, plate thickness, and bend welding hole reactions as applied to steel welding. Right now, a submerged arc welding joint butt has been picked. SAW utilizes the curve between the persistently taken care of extra filler metal under the cover of the granular transition. The warm effect of the Submerged Arc, which unusually relies on its work piece‘s electrical circular section, motion form and temperature area, is the essential to the analysis and development of this technique. The circular section welding process is recreated utilizing FEM software ANSYS. Warm analysis is carried out and an supplementary review of the latter responsibility is often carried out for the purpose of dissecting the durability of the system. The recreations were carried out using a two-step procedure; a non-straight heat movement that generates fluid temperature diffusion across the welding creases and plates; and an elasto-plastic inspection that removes the resulting pressures, strains, and uprooting. Numerical reconstruction of the welding method was done by the investigation instrument ANSYS The association between the parameters and the reactions was established based on the outcome of the re-enactment as well as the exploratory tests. Right now, Abhishek B P et al. is constructing the metal from the wire rod by constructing the circular section just as by regulating the data process parameter. Extreme heating in 1 places during welding and more accelerated cooling produces unnecessary friction and twists in the welding and base metal. In the last several decades, various work activities have parameters aimed at the the stress and mutilation leftovers, which are highly influenced by multiple parameters such as auxiliary, material and welding parameters. These welding disappointments may be reduced by monitoring the feedback of the welding gas. The temperature distributions in the AISI303 grade high-quality steel welding joint are analyzed by FEM utilizing ANSYS programming and a test was carried out to verify the thermo-mechanical FEM generated using the GMAW technique. The basic aim of our paper is to analyze temperature distributions and retention stresses in divergent metal welded plates in order to preserve a strategic buffer from potential material disappointments on the grounds that the research technique is more expensive. The behavior of the welded zone is influenced by the range of temperature ranges, microstructures & mechanical property of the components. The residual tension angle around the melting zones is greater than in certain other regions of the melting zones. Due to this tension point, cold cracks develop in high-quality steel in the melting areas. The key goal of this exercise is to maintain temperature and comfort before and during the operation. Temperature ranges describe the heat induced region (HAZ) where the properties of the products are influenced. Stress measurements are important, because high residual tension can be induced by breakage, a weariness that creates extreme frustration in positions near the welding dot regions. Mr. R. Ramachandran and the majority of us. The SS316L used products in the modern mechanical market, including higher and lower temperature systems, such as storage tanks, pressure cups, furnace machinery, etc. The utilization ratio of these materials continues to increase due to unparalleled usage resistance and mechanical properties, GTAW&GMAW types are widely used for raw steel welding, especially for full penetration welding in thin gage goods. Assurance of the well-being of gas and filler products is a crucial parameter for the strength, microstructure and properties of the welds. Clearly, the properties of the welds relied on the well-being of the climate, because they handled the metal exchange cycle. Securing gas influences the welding properties even as it characterizes the welding performance, scale, structure and line penetration. Unaltered argon is frequently utilized to coat coal with GTAW. Argon's main mixtures, such as argons with a few hundred fragrant salts, carbon dioxide, hydrogen, oxygen, nitrogen for the GTAW and GMAW systems, are the most widely recognized gas defenders. At present, the austenitic treated steel (316L) is welded by the GTAW process and its mechanical properties have been regarded, and the process welding parameters, such as CURRENT, VOLTAGE AND GAS FLOW RATE TIG, have been regarded for most outstanding welding, enhanced mechanical combination should be considered to be suitable working ranges for TIG welding of SS316L material and to conduct a order for temperature theft and hard and quick heat motions of the welding district using ANSYS.
DESCRIPTION OF THE PRESENT WORK
The existing research deals to stress evaluation of riveted lap joints. This method is very widely used to test the power of numerous systems such as pressure boats, aircraft, naval and often leak-proof joints such as oil tanks, boilers, etc. In this a lap joint of aluminum alloy plate material having a diameter of 215 mm* 2 mm* 15 mm and a friction factor of 0,2 is overlapped to the other plate with a certain dimensions and materials but are combined by means of a rivet having a diameter of 4 mm, add a load of 2058 N on one side as well as the other side is set in the ANSYS (workbench). The stress on the usual riveted joint is opposed to the empirical approach.
Determination of Specifications
The requirements of the present research are based on the design criteria for the thickness of the plate as 2 mm and are set out in the corresponding illustration. Figure 1.3 displays the design, proportions, constraints or loading conditions. During the idealization method, the following definitions and boundary requirements were considered:
Figure 1.3: Actual Dimension Finite Element Model by Meshing, Boundary Conditions & Material Property
Figures 1.4 and 1.5 indicate that the CAD model configured in CATIA is also the resource of the content given in the same applications. This model was meshed in ANSYS for study with unit scale 0.5 mm brick and triangular fine form meshing.
Figure 1.4: CATIA Model Figure 1.5: Meshing of CAD Model Figure 1.6: Boundary Condition Table 1: Material Properties
FEM AND ANALYTICAL CALCULATION
FEM Analysis
Joint Figure 1.8: Stress Distribution on Rivet Figure 1.9: Cut Section Model
CONCLUSION
The findings acquired from ANSYS (Workbench) program for single riveted lap joints are contrasted with analytical data, it is seen that the maximum shear stress with the aid of FEM in the range of 138.44 Mpa to 184.57 Mpa & maximum shear stress of the manual data is 170.31 Mpa, all of which are similar to the assumption that the outcome of each are compatible with each other. The Finite Element Approach is considered to be the most powerful technique for modeling mechanical parts such as riveted lap joints. ANSYS should be used for the study of complex and basic models of various styles without having any impact on functional and economic problems.
REFERENCES
[1]. Harris C E, Piascik R S and Newman C (1999). ―A Practical Engineering Approach to Predicting Fatigue Crack Growth in Riveted Lap Joints‖, International Conference on Aeronautical Fatigue (ICAF), WA, Seattle. [2]. Kurmi R S and Gupta J K (2009), A Text Book of Machine Design. and de Castro P M S T (2000), ―Multiple Site Damage in Riveted LapJoints: Experimental Simulation and Finite Element Prediction‖, Int. J. Fatigue, Vol. 22, pp. 319-338. [4]. Tirupathi R Chandrupatla and Ashok D Belegundu (2011), Introduction to Finite Elements in Engineering, 4th Edition. [5]. Swapnil S. Ingle, Dr. Rajendra S. Dalu, Thermo-Mechanical Analysis in TIG Welding of Aluminium Alloy 6082, International Journal of Science and Research (IJSR), Index Copernicus Value (2013): 6.14 [6]. kundan Kumar, Somnath Chattopadhyaya (2012). Investigation of the temperature distribution character of Tig process, international journal of advanced engineering research and studies, /vol. ii/ issue i/Oct.-Dec., 2012. [7]. Ch.Indira Priyadarsini1, N. Chandra Sekhar2 Dr. N. V. Srinivasulu, Experimental And Numerical Analysis Of Temperature Distribution In Submerged Arc Welding Process, International Journal of Advanced Research in Computer Engineering & Technology Volume 1, Issue 6, August 2012. [8]. Abhishek B P, Anil Kumar G , Madhusudhan T. (2015). Experimental and finite element analysis of thermally induced residual stresses for stainless steel 303grade using MIG process, International Research Journal of Engineering and Technology (IRJET), Volume: 02 Issue: 02 | May-2015. [9]. Mr. R. Ramachandran (2015). Analysis and experimental investigations of weld characteristics for a Tig welding with ss316l, International Journal of Advances in Engineering Research, Vol. No. 10, Issue No. II, August. [10]. Tirupathi R. Chandrupatla / Ashok D. Belegundu - Introduction to Finite Elements in Engineering [11]. Ali M. Ai-Samhan presented the paper on ―Analysis of adhesively bonded riveted joints‖ he considered a model for sample Analysis.
Corresponding Author Chirag Singh*
Research Scholar, OPJS University, Churu, Rajasthan, India