The plane truss in figure 1 is analyzed using finite element analysis fea for three load cases. A numerical model for bird strike on sidewall structure of. Simulation of steel bolted double angle connections under dynamic load in abaqusfailure analysis. Pdf this paper investigates the bird strike phenomenon in order to.
Notable work on bird strike impact of composite aerospace structures using abaqus explicit is done by smojver 5, 6 and 7. The front facing edges of an airplane, which include the wings, nose cone and engine, are more prone to bird strikes and in this tutorial, we are simulating the bird strike to an airplane wing leading edge structure using smoothed particles hydrodynamics sph method. Bird strike simulation on a wing slat using abaqus explicit the form of aircraft damage and flight schedule disruption. Sph birdstrike stepbystep abaqus611 continuum mechanics. Solve structural analysis problems using abaqusstandard and abaqus. Course objectives upon completion of this course you will be able to. Modeling bird strike using cel approach optimec consultants. Com have the following abaqus cel distortion book available for free pdf abaqus example problems manual, vol2 abaqus 6. Bird strike is a severe high velocity impact load case for all forwardfacing aircraft components and a major design driver due to the high energies and the strict safety requirements involved. Bird strike damage analysis in aircraft structures using abaqusexplicit and coupled eulerian lagrangian approach article in composites science and technology 714. With its strong composite damage and failure modeling capabilities and general contact algorithm, abaqus explicit is an ideal tool for such highly dynamic, nonlinear applications. Visit the simulia resource center for more customer examples. Introduction short1 free download as powerpoint presentation. Guidelines for papers to be presented at the abaqus.
Pdf bird strike analysis of an airframe comparison of methods. Abaqus analysis users manual abaqus analysis users manual. Bird strike impact analysis of vertical stabilizer structure using. Edge, derivation of a dummy bird for analysis and test of airframe structures, bird strike committee usa and bird strike committee canada, richmond, 1999 j. The impacted inboard flap finite element model is modelled using 3d, shell and continuum shell elements, coupled with appropriate kinematic constraints. Bird strike analysis for impactresistant design of.
Numerical simulation of bird strike in aircraft leading. The abaqus software is inherently complex, and the examplesand procedures in this manual are not intended to be exhaustive or to apply to any particular situation. Project 1 finite element analysis and design of a plane truss problem statement. Bird strike committee usa recognized these accomplishments by presenting sandy with the james e. Modeling extreme deformation and fluid flow with abaqus. To ensure safety, assessment of bird strike resistance is part of the aircraft certification process. The submitted paper describes using air gun with smooth borehole for proof of bird strike resistance of aircraft parts. An implicit or standard solver, an explicit solver, a cfd solver and many more capabilities. Abaqus tutorial bird strike wing damage analysis using cel abaqus tutorial bird strike wing damage analysis using cel explicit 1727. Conversion tables, constants, and material properties. Smojver, ivica and ivancevic, darko 2010 coupled euler lagrangian approach using abaqus explicit in the bird strike aircraft damage analysis. Pdf bird strike and novel design of fan blades researchgate.
This documentation is intended for qualified users who will exercise sound engineering judgment and expertise in the use of the abaqus software. Bird strikes cost the united states aviation industry tens of millions of dollars annually in aircraft damage. Tutorial for abaqus users pdf free 200 pages tutorial for abaqus users. Abaqus tutorialbirdstrike analysis using sph method. Static and dynamic analyses abaqus example problems manual volume i legal notices caution.
This course is recommended for engineers with experience using abaqus about this course 2 days. Guidelines for papers to be presented at the abaqus users. The finite element code abaqus explicit was mainly employed in the study of sensitivity on the simulations to material properties, mesh characteristics, and impactor models. Validation of available approaches for numerical bird. Indeed, the mechanical behavior of the impacted wing section has been inspected by means of the fe code abaqusexplicit. Other applications and analyses abaqus benchmarks manual using abaqus online documentation abaqus pre version 5. Coupled euler lagrangian approach using abaqus explicit. Fluidstructure interaction analysis of a prosthetic aortic valve using abaqusexplicit smoothed particle hydrodynamics aorta and left ventricle directly onto the leaflets, which is an improvement in accuracy compared to previous analyses that used only static load conditions. Numerical analysis of bird strike damage on composite. Coupled euler lagrangian approach using abaqus explicit in the bird strike aircraft damage analysis 1.
May sandy and her husband, gene, have long, productive retirements with their naturebased photography business. Coupled euler lagrangian approach using abaqus explicit in the bird strike aircraft damage analysis. A single abaqus environment for your pre and postprocessing, simplification and advanced meshing. Department of aeronautical engineering, faculty of mechanical engineering and naval architecture, university of zagreb. For the love of physics walter lewin may 16, 2011 duration.
Theory common to both standard and explicit versions 4. Bird strike simulation on a wing slat using abaqusexplicit. Explicit in the bird strike aircraft damage analysis. The online version of the manuals is comprehensive and uptodate. In this work a coupled sphfinite element model was developed for simulating the bird strike tests, where the smooth particle hydrodynamics sph lagrangian approach was used to model the bird and the fe method for the leading edge.
Coupled euler lagrangian approach using abaqusexplicit in the bird strike aircraft damage analysis i. Hallquist, lsdyna theorical manual version 970, livermore software technology corporation, 2001 abaqus users manual version 6. Bird strike analysis using shear failure model in abaqus. Fan blade bird strike analysis using lagrangian, abaqus fem analysis of the postbuckling behaviour of composite pdf e1094.
Applications of finite element stress analysis of heavy truck chassis. The cel bird strike damage prediction capability has been demonstrated through comparison with numerical results obtained by the lagrange bird model used in the preceding work. Volume 71, issue 4, 28 february 2011, pages 489498. Ivancevic department of aeronautical engineering, faculty of mechanical engineering and naval. Use abaquscae to view and evaluate simulation results. Simulia, abaqus analysis users guide volume iii, dassault systemes, 2015. Aircraft, bird strike, cae, coupled analysis, damage. A screenshot from the abaqus visualization window for each load case shows the element stresses superimposed on the displaced frame model are shown in figure 2. Five types of layups in a windshield single layer stretch acrylic, single layer glass, twowall cast acrylic, acrylic with polyvinyl butyral pvb interlayer and glass with pvb interlayer is considered and in each case the thickness which. Introduction short1 computer simulation mathematical. In the current paper, bird strike to a typical helicopter windshield is investigated using smoothed particles hydrodynamic sph finite element method.
Fluidstructure interaction analysis of a prosthetic. Sph birdstrike stepbystep abaqus611 free download as pdf file. Forbes lifetime achievement award during the annual conference in chicago last august. Psd analysis in abaqus libraryaccess69 pdf best of all, they are entirely free to find, use and download, so there is no cost or stress at all.
Bread maker plus manual, spreadsheet modeling decision analysis by cliff t ragsdale 6th edition, chapter 14. A bird strike event on an aircraft composite structure can be successfully simulated with abaqus explicit using cel approach. Bird strike analysis on a typical helicopter windshield. Earlier investigations in bird strike involved development of methodologies and were on metallic structures. With the advent of fem dynamic explicit solvers like, abaqus, bird strike. The point of impact and bird velocity vector have been chosen according to the landing flight parameters of a large transport aircraft. Abaqus abaqusexplicit abaqusstandard adaptive meshing analysis applied arch assumed axial axisymmetric behavior bending blank boundary boundary conditions buckling cavity change compared compression configuration contact pair contours crack curve cylinder default. Analysis users manual keywords manual getting started manual example problems manual benchmarks manual verification manual theory manual.
To simulate ductile failure of metallic leading edge structure under bird strike, the progressive dynamic failure model is involved. Numerical bird strike damage prediction procedure has been applied on the very detailed large airplane secondary structure consisting of sandwich, composite and metallic structural items. Smojver and ivancevic 9 performed bird strike damage analysis of real aeronautical structures using abaqusexplicit and the coupled eulerian lagrangian cel approach. Bird impact at aircraft structure damage analysis using.
Numerical analysis of bird strike damage on composite sandwich structure using abaqus explicit a project present to the faculty of the department of aerospace engineering san jose state university in partial fulfillment of the requirements for the degree master of science in aerospace engineering by rahulkumar k. Abaqus technology brief bird strike simulation on a. This volume contains more than 75 detailed examples designed to illustrate the approaches and decisions needed to perform meaningful linear and nonlinear analysis. As an example, the case of abaqus standard and abaqusexplicit coupling is presented using a scooter and rider model. In order to reduce the costs involved with assessment of bird strike resistance of critical aeronautic components, numerical bird strike simulations are. Definition of the areas of interest definition of the cosimulation analysis. In the present work, the crashworthiness of a composite wing section, subjected to a bird strike event, has been investigated. Notable work on bird strike impact of composite aerospace structures using abaqusexplicit is done by smojver 5, 6 and 7.
Crashworthiness is defined as the capability of a structure to guarantee its occupants safety during a crash event. The focus of the current paper is on the application of the coupled eulerianlagrangian cel modeling method in abaqusexplicit 6. Pdf bird strike analysis for impactresistant design of. Bird strike damage analysis in aircraft structures using. Bird strike damage analysis in aircraft structures using abaqusexplicit and coupled eulerian lagrangian approach. Bird strike impact analysis of vertical stabilizer.
In high velocity bird strike scenario, fasteners will experience both shear and. Pdf validation of available approaches for numerical bird strike. Ghazaly 1, 1 mechanical engineering department, faculty of engineering, south valley university, qena83523, egypt. Birdstrike calculation aircraft engineering engtips. Bird strike simulation on a wing slat using abaqusexplicit the form of aircraft damage and flight schedule disruption. Coupled euler lagrangian approach using abaqus explicit in the bird strike aircraft damage analysis i. Bird strikes present still present a major concern to the air transport safety due to changes in migration routes of flocking birds. A comprehensive overview of these bird strike modeling methods can be found in heimbs, 2011. Eos usup approach in abaqus explicit was adopted for this purpose in the current study. Model setup for abaqusstandard explicit cosimulation. Then the steps for the preparation of this model in ansa are illustrated.
755 884 901 1142 1394 1218 792 403 92 1140 688 1258 32 644 1260 569 508 1480 638 1523 771 1111 1035 1064 1391 1015 351 1014 1108 1363 339 236 1079 1175 1476 681 1256 952 720 1351 263 1166 1470 719 473 931 1413