finite element analysis of a bicycle frame

... a hypoelastic model of reinforced concrete.The details of the analytical model are available in Shayanfar (1995) Finally, the performance ofthe program in handling nonlinear analysis of corroded ... This has been established on both experimental and analytical bases This algorithm is implemented into a nonlinear finite element analysis program The abilities of the resulted program have been ... model are reviewed Afterwards, thecomputational aspects of the proposed model are also discussed 2.1 Analytical background In Fig 1(a), a piece of RC specimen between two faces of adjacent cracks

Ngày tải lên: 25/10/2022, 03:10

... alloys, International Journals of material Design, vol 22, pp 679-685 [15] Balasubramanian.M, Senthil Kumar.V.S, Natarajan.S, Viswanathan.D, 2004 Analysis and numerical simulation of superplastic forming ... ANSYS finite element analysis code, parametric design language and ANSYS-visco108 element Giuliano (2008) considered four-node, isoparametric and arbitrary quadrilateral elements for Finite element ... element analysis in a Ti-6Al-4V alloy Chen et al (2001) used the continuum element for finite element analysis in Ti-6Al-4V alloy Balasubramanian et al (2004) has developed a theoretical model and

Ngày tải lên: 02/11/2022, 14:29

... (mm/s) As a means of initially validating the optimum insert after the CFD analysis was completed, models (crown and Figure 2 Adaptations of the base abutment to include vents of various diameter and ... influential tool avail-able in the simulation of dental restorations under various loading scenarios (Wakabayashi et al 2008) These simula-tions provide in-depth information about the virtual materials, ... Influence of implant and conventional prostheses on satisfaction and quality of life: a literature review Part 2: qualitative analysis and evaluation of the studies Int J Prosthodont 19(4), 339–348 Takaki,

Ngày tải lên: 08/11/2022, 14:56

... Nonlinear Finite Element Analysis) has been used in the present study This program has been originally developed by Al-Shaarbaf (Al- Shaarbaf,1990).The analytical results are compared with the available ... concretehorizontally curved beam Figure(12) Finite element idealization of Badawy et al (1977)curved beam Table (4) Material properties used in the analysis of Badawy et al. (1977)curved beam Young's ... force was modeled as line loads distributed across the width of the beam The material properties adopted in the analysis are given in Table 3. Table (3) Material properties used in the analysis of

Ngày tải lên: 18/10/2022, 01:44

... modifications an efficient tool for analysing curved thick shells becomes available The accuracy and wide range of applicability of the approach is demonstrated in several examples parameters ... Trang 4Shell element with displacement and rotation parameters 269 Fig 8.3 Local and global coordinates element, square or triangular: in plan, and are so ‘designed’ that compatibility is achieved ... displacement and rotation parameters 267 Fig 8.1 Curved, isoparametric hexahedra in a direct approximation to a curved shell behaviour of thick plates The omission of the third constraint associated

Ngày tải lên: 02/05/2018, 13:39

... Trang 1ORIGINAL ARTICLEFinite element analysis for structural modification and control resonance of a vertical pump Dalia M El-Gazzar Mechanical & Electrical Research Institute, National Water ... frequencies of a vertical turbine pump are calculated by performing a modal analysis using the Finite Element Method (FEM) They founded total six modes of vibration for this analysis Experimental analysis ... as mechanical, hydraulic and peripheral causes Imbalance and misalignment are the major reasons for mechanical problems Peripheral causes of vibration include harmonic vibration from nearby equipment

Ngày tải lên: 04/12/2022, 10:30

... 259Again, we observe that the average temperature of the nodes associated with the area of the edge appears Stated another way, the convection area is allocated equally to the two nodes, and ... area may include lateral surfaces (that is, convection perpendicular to the plane of the element) as well as the area of element edges located on a free boundary Determine the total heat flow rate ... example, area coordinate L1approaches unity value Clearly, if the source is located at node 1, the entire source value should be allocated to that node A similar argument can be made for each of

Ngày tải lên: 08/08/2014, 17:20

... ele-ment as behaving essentially as a solid The fluid has clearly undergone transla-tion and rotatransla-tion Figure 8.3b depicts the same situatransla-tion in the case of irrotatransla-tional flow ... specified values of the nodal variable In the following, we assumethat the system equations have been assembled, and we rearrange the equationssuch that the column matrix of nodal values is Trang 88.3 ... discontinuous across element boundaries Therefore, a largenumber of small elements are required to obtain solution accuracy Applicationof the stream function to a numerical example is delayed until

Ngày tải lên: 08/08/2014, 17:20

... more-reasonable linear variation of strain compo-nents but is not amenable to irregular shapes An element having the desirablecharacteristic of strain variation in the element as well as the ability ... not an enviable task Instead, numerical methods are used, again based on Gaussian quadrature, and the remainder of the derivation here is toward that end Rather than invert the Jacobian matrix, ... matrix functions of that software package The stiffnessmatrix is calculated to be A classic example of plane stress analysis is shown in Figure 9.8a A uniform thin plate with a central hole of

Ngày tải lên: 08/08/2014, 17:20

... rectangular element of Example 10.6 Hutton: Fundamentals of Finite Element Analysis 10 Structural Dynamics Text © The McGraw−Hill Companies, 2004 10.6 Mass Matrix for a General Element: ... examples earlier in this chapter. In the lumped matrix approach, half the total mass of the element is assumed to be concentrated at each node and the connecting material is treated as a massless ... Fundamentals of Finite Element Analysis 10. Structural Dynamics Text © The McGraw−Hill Companies, 2004 398 CHAPTER 10 Structural Dynamics The amplitudes and phase angles are determined by applying

Ngày tải lên: 08/08/2014, 17:20

... two matrices is a null matrix, that is, [ A][ B] = [0], the result does not necessarily imply that either [A] |A| = a11(a22a33− a23a32)− a12(a21a33− a23a31)+ a13(a21a32− a22a31) (A.17)Note that ... Trang 1Finite Element Analysis Mathematics Companies, 2004A.2 ALGEBRAIC OPERATIONS Addition and subtraction of matrices can be defined only for matrices of the same order If [ A] and [B] are ... co-factors as |A| = a11C11+ a12C12+ a13C13 (A.20) The determinant of a square matrix of any order can be obtained by expand-ing the determinant in terms of the cofactors of any row i as |A| =

Ngày tải lên: 08/08/2014, 17:20

... post-production data analysis tasks The tools have certainly matured, but it is the scale and complexity of the data coming from the applications that renders ad hoc data management and data visualization ... specifically calls for a particular field mapped onto a particular geometry, the data for that mapping may not even explicitly reside in a database table That is, many physical or mechanical measures ... lookup tables can be generated as part of the general initialization after bulk loading the model - 22 - Supporting Finite Element Analysis with a Relational Database Backend 23 We can certainly...

Ngày tải lên: 30/03/2014, 22:20

... frame and activated by hand from a pull ram positioned on the laboratory floor The jack was connected to the beam with a 25mm dia high tensile steel bar and shackle arrangement The shackle arrangement ... indicators and readings at each load increment noted The arrangement of test strain/dial gauges are shown in Figure Details of a bolt strain gauge are shown in Figure Figure - Strain / Dial gauge locations ... increased connection capacities still had a reserve of approximately 30% Overall the finite element analysis of extended end plate connections can be seen to provide advantages in terms of time and...

Ngày tải lên: 04/06/2014, 13:20

... 1959-1976 Droz, P., and Bazant, Z P., 1989, “Nonlocal Analysis of Stable States and Stable Paths of Propagation of Damage Shear Bands,” Cracking and Damage, edited by J Mazars and Z P Bazant, Elsevier, ... factor is a material property Damage—Breaking of bonds within a material Damage can be manifested as continuum damage (distributed microcracks), or as a single macrocrack Other forms of damage ... successful analyses Bazant, Pan, and Pijaudier-Cabot (1987) and Bazant, Pijaudier-Cabot, and Pan (1987) analyzed the softening postpeak load-deflection relation for reinforced concrete beams and frames...

Ngày tải lên: 24/10/2014, 21:58

... low-velocity impact on composite laminates generally consists of two types at the micro level, namely interlaminar damage, also known as delaminations, and intralaminar damage Intralaminar damage, which ... separately Damage resistance of a material can be defined as the ability of the material not to undergo a permanent change due to a loading event [33], while damage tolerance relates to the capacity ... selection of commercially available finite element codes such as Abaqus/Standard, Abaqus/Explicit and LS-Dyna to study the topic of impact damage of composite materials Such codes have the capability...

Ngày tải lên: 10/09/2015, 09:04

... a back -analysis of an actual three-dimensional tunnel heading problem, namely the tunnelling operation of Contract 704 of the Northeast Mass Rapid Transit Line This back -analysis exercise leads ... will also be investigated This illustrates the feasibility of conducting detailed and realistic 3-D analyses on relatively modest computational platforms which are readily available A comparison ... been partially unloaded This is the approach used by the “3-D” analysis in commercial softwares such as PLAXIS V.7 (1998) 20 Table 2.1 Summary of Analytical research Reference Description of Study...

Ngày tải lên: 17/09/2015, 17:19

... idea of ‘different strain measures’ and also concepts such as ‘total Lagrangian’, ‘up-dated Lagrangian’ and ‘corotational’ procedures Chapters and extend these ideas to continua, which Chapter ... (1970) [M6] Marcal, P V., Finite element analysis with material non-linearities-theory and practise, Recent Advances in Matrix Methods of Structural Analysis & Design, ed R H Gallagher et al., The ... be aware of how such topics are handled in a computer program and what are the potential limitations Textbooks are, of course, available on most of these topics and the potential user of a non-linear...

Ngày tải lên: 26/04/2016, 08:47

... two-dimensionalcontinua A co-rotationalapproach for three-dimensionalcontinua A co-rotational approach for a curved membrane using facet triangles A co-rotational approach for a curved membrane using quadrilaterals ... Non-linear Finite Element Analysis of Solids and Structures ~~ ~ Volume 2: Advanced Topics To Kiki, Lou, Max, ArabeIIa Gideon, Gavin, Rosie and Lucy Non-linear Finite Element Analysis of Solids and ... integration of the rate equations, plasticity and hyperelasticity follow in later chapters Much finite element work on large-strain elaso-plastic analysis has adopted a hypoelastic approach (see...

Ngày tải lên: 26/04/2016, 08:48

... Āplate, Ānail (m2) Aplate, Anail (m2) Ān Cross sectional area of 2D idealized plate and 3D nail Contact surface area of 2D idealized plate and 3D nail with soil Cross sectional area factor Af ... Modes of failure encountered by soil nailing (c) Combination of Internal and External Failure 1.1.3 Advantages and Disadvantages of Soil Nailing as a Geotechnical Application The main advantages of ... is hard to obtain parameters accurately that resemble actual conditions Hence the accuracy achieved by using complicated software is often offset by inaccurate parameters used Accurate analysis...

Ngày tải lên: 06/10/2015, 20:57

... stress analysis, for most analyses of operational loads, linear analysis is adequate as it is usually undesirable to have operational loads that can lead to nonlinear material behavior or large ... flow analysis of coolant ponds, pollutants and contaminants, and air in ventilation systems; e electromagnetic analysis of antennas, transistors and aircraft signatures; f analysis of surgical ... two are not compatible The availability of a wide range of analysis capabilities in one program makes possible analyses of many complex real-life problems For example, the flow around a car and...

Ngày tải lên: 08/04/2014, 10:34