Aircraft, composites, coupled analysis, damage, delamination, impact, bird strike. My company has done bird strike analysis with lsdyna and we have some full scale test data. Abaqus tutorial bird strike wing damage analysis using cel 1727 abaqus tutorial book abaqus for engineer. From this tutorial you will learn general concept of sph modeling strategy in abaqus and how to model sph bird model, how to apply boundary condition for sph analysis. Since the analysis of birdstrike in the paper was carried out with abaqus, it was replaced by a picture of the analysis process of abaqus birdstrike.
Smojver, ivica and ivancevic, darko 2011 bird strike damage analysis in aircraft structures using abaqusexplicit and coupled eulerian lagrangian approach. Abaqus is one of the best software which covers most of engineering fields in terms of simulation and analysis. Material definition double click on the materials node in the model tree fig. Learn how to test and simulate a simple bracket in abaqus. Bird impact analysis of a composite wind turbine blade. The numerical bird strike simulating procedure has been applied on a very detailed model consisting of composite laminates, sandwich structures and metallic structural items.
Sloshing in a tank modelled using sph as an example. Our book servers hosts in multiple locations, allowing you to get the most less latency time to download any of our books like this one. Conversion tables, constants, and material properties. Computational method used for the analysis is coupled eulerian lagrangian method. Computational method used for the analysis is computational method used for the analysis is coupled eulerian lagrangian method.
Bird strike damage analysis in aircraft structures using abaqus. Abaquscae vibrations tutorial problem description the table frame, made of steel box sections, is fixed at the end of each leg. In this tutorial, we simulate the bird strike at the leading edge of an airplane wing structure using smoothed particles hydrodynamics sph method. The tutorial is intended to serve as a quick introduction to the software for the students in. The following figures give the results of bird impact analysis on composite wind turbine blade. Bird strike analysis for impactresistant design of. Modeling extreme deformation and fluid flow with abaqus. Department of aeronautical engineering, faculty of mechanical engineering and naval architecture, university of zagreb.
Bird strike simulation on a wing slat using abaqus explicit the form of aircraft damage and flight schedule disruption. The next step in the assessment of numerical methods for bird strike simulations with abaqusexplicit was based on a. Coupled euler lagrangian approach using abaqus explicit in the bird strike aircraft damage analysis. Abaqus tutorial bird strike wing damage analysis using cel abaqus tutorial bird strike wing damage analysis using cel explicit 1727.
Project 1 finite element analysis and design of a plane truss. Notable work on bird strike impact of composite aerospace structures using abaqus explicit is done by smojver 5, 6 and 7. For such analysis of an extremely discontinuous processes, an explicit dynamic analysis was carried out using abaqusexplicit, which is considered to be. Quick guide to abaqus cae method of finite elements ii dr. Nonlinear analysis using abaqus geometric nonlinear st. Use abaqus explicit for a snapfit behaviour contact. Visit the simulia resource center for more customer examples. Coupled euler lagrangian approach using abaqusexplicit in. To obtain some basic laws for bird strike resistance of composite materials in aeronautical application, the highvelocity impact behaviors of composite laminates with different materials were studied by numerical methods. Sep 01, 2011 coupled euler lagrangian approach using abaqus explicit in the bird strike aircraft damage analysis 1.
Sph birdstrike stepbystep abaqus611 continuum mechanics. At high pressures, the hydrodynamic pressurevolume behavior of the bird can be modeled in abaqus explicit using. Ivancevic department of aeronautical engineering, faculty of mechanical. Coupled euler lagrangian approach using abaqusexplicit in the bird strike aircraft damage analysis i. Bird strike damage analysis in aircraft structures using. The smoothed particle hydrodynamics sph and finite element method fem coupling models were validated from various perspectives, and the numerical results were. Smooth particle hydrodynamics for birdstrike analysis. Earlier investigations in bird strike involved development of methodologies and were on metallic structures. Abaqus explicit has been chosen to perform nonlinear transient numerical analyses through the use of its large library of elements and material models. Notable work on bird strike impact of composite aerospace structures using abaqusexplicit is done by smojver 5, 6 and 7. Kim fea tutorial 2 helpful tips before getting started use exceed 9. Abaqus is one of the best software which covers most of engineering fields in term of simulation and analysis.
Numerical simulation of bird strike damage prediction in. Then test your configuration with some sample for example i have attached. Project 1 finite element analysis and design of a plane truss problem statement. Bird impact damage in aircraft structure has been investigated using explicit transient dynamic analysis by abaqus explicit. For helicopters the windshield, forward airframe structure, rotor blades and all exterior equipment parts are exposed to the risk of bird impact. A strategy for bird strike simulations using abaqusexplicit. Oct 17, 2017 abaqus tutorial bird strike wing damage analysis using cel 1727 abaqus tutorial book abaqus for engineer. Parametric analysis has been performed using different. Numerical simulation of bird strike damage prediction in single piece windshield mr. Abaqusexplicit are used to do numerical analysis of bird impact damage. Bird strike impact analysis of vertical stabilizer. Numerical geometrical and material nonlinear transient dynamic analyses have been performed using abaqusexplicit.
Bird strike damage analysis in aircraft structures using abaqusexplicit and coupled eulerian lagrangian approach. There is no predefined system of units within abaqus, so the user is responsible for ensuring that the. Thus, the bird at the impact can be considered as a. This course is recommended for engineers with experience using abaqus. As a preliminary analysis perform free vibration analysis to obtain 30 vibration modes and their natural frequencies.
Various failure modes have been investigated such as cfrp face layer rupture, damage initiation in nomex core and elastoplastic behaviour of metallic structure. Coupled euler lagrangian approach using abaqus explicit in the bird strike aircraft damage analysis 1. Abaqus tutorial 4 part module 1 creating the plate to create the plate the base feature, you create a threedimensional, deformable, shell planar part according to the instructions below. The main focus of the work presented in this paper is the application of the damage prediction procedure in. Numerical analysis of collision of the multimaterial bird. The soft body impact results in damage over a larger area if compared with ballistic impacts. Torsionallateral buckling large displacement analysis. Smojver, ivica and ivancevic, darko 2010 coupled euler lagrangian approach using abaqus explicit in the bird strike aircraft damage analysis. Birdstrike damage analysis and preliminary design of composite radome structure using smoothed particle hydrodynamics springerlink. Learn about simple plastic deformation with unloading. Explicit in the bird strike aircraft damage analysis. Abaqus offers great convenience in modeling bird strike using specialized techniques such as cel coupled eulerianlagrangian approach available in abaqus explicit. Mar 02, 2014 abaqus tutorial birdstrike analysis using sph method.
The tutorial will take you through a basic model of g forces acting on a fluid in a typical tank. Ivancevic department of aeronautical engineering, faculty of mechanical engineering and naval architecture. Smoothed particle hydrodynamics sph bird strike example. Bird impact damage in complex aircraft structure has been investigated using explicit transient dynamic analysis by abaqusexplicit in order to fully employ its large library of elements, material models and the ability of implementing user defined materials.
Since the analysis of bird strike in the paper was carried out with abaqus, it was replaced by a picture of the analysis process of abaqus bird strike. Sphfem design of laminated plies under birdstrike impact. Learn more about the simulia abaqus software and how to use it with these abaqus simulation tutorials. Bird strikes remain one of the major threats to the safety of air transport. The birdstrike events are considered as soft body impact in structural analysis because the yield point of the bird is far smaller when compared with that of the target. Some parts of abaqus need more efforts to be master to. Nonlinear analysis using abaqus 16 nonlinear analysis using abaqus geometric nonlinear st. As a second example, the bird impact on a composite wing leading edge is treated. Simulation resources and abaqus documentation for abaqus impact and crash analysis technology. Venantkirchhoff material step, nlgeomyes, inc150 large deformation on, maximum no. Numerical analysis of bird strike damage on composite sandwich. Bird impact damage in complex aircraft structure has been investigated using explicit transient dynamic analysis by abaqus explicit in order to fully employ its large library of elements, material models and the ability of implementing user defined materials.
Abaqus tutorialbirdstrike analysis using sph method duration. Finite element analysis is a powerful tool for evaluation different aspect of design in engineering. Prior knowledge of abaqus is assumed, if there is concern about some. Numerical analysis of bird strike resistance of helicopter.
Explicit analysis capabilities of abaqus are used for modeling the phenomenon using three. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Bird impact analysis of a composite wind turbine blade tejas k. Bird strike simulation on a wing slat using abaqusexplicit, abaqus technology brief, tb10bird1, 2010. Savvas triantafyllou institute of structural engineering, eth page 3 of 9 step 3. Bird strike impact analysis of vertical stabilizer structure. The great advantage of cel analyses is that most of the problems associated with extensive bird mesh distortion are eliminated, as the eulerian description allows finite elements to be fixed in space and the material to flow through these elements. In high velocity bird strike scenario, fasteners will experience both shear and tensile loads and. It includes fighters canopy model iges format for your self training.
Bird strike simulation on a wing slat using abaqusexplicit. Abaqus analysis users manual abaqus analysis users manual. To ensure safety, assessment of bird strike resistance is part of the aircraft certification process. 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.
The point of impact and bird velocity vector have been chosen according to the landing flight parameters of a large transport aircraft. For impact analysis displacements and stresses are obtained. Catia is one of the most powerful software in mechanical, civil,electrical engineering which can handle most of the engineering fields from cad, cae and cam. Abaqus cae vibrations tutorial problem description the table frame, made of steel box sections, is fixed at the end of each leg. An example of a large structural simulation using the computational mechanics approach is. The final usecase is the bird strike analysis but considerations on each. Bird strikes cost the united states aviation industry tens of millions of. Coupled euler lagrangian approach using abaqus explicit in. Tutorial for abaqus users pdf free 200 pages tutorial for abaqus users. Abaqus explicit are used to do numerical analysis of bird impact damage. Bird strike damage analysis and preliminary design of composite radome structure using smoothed particle hydrodynamics springerlink. The plane truss in figure 1 is analyzed using finite element analysis fea for three load cases. Determine the first 10 eigenvalues and natural frequencies. Abaqus tutorial bird strike wing damage analysis using.
The analysis is performed on a simply supported beam with end moments. You can perform static as well as dynamic analysis see both abaqusstandard and abaqusexplicit. Torsionallateral buckling large displacement analysis with a simple beam using abaqus 6. Ivancevic department of aeronautical engineering, faculty of mechanical engineering and naval. Coupled euler lagrangian approach using abaqus explicit in the bird strike aircraft damage analysis i. The subject of this paper is numerical prediction of bird strike induced damage in real aeronautical structures using highly detailed finite element models and modern numerical approaches. Lagrangian analysis lecture 3 creating a cel model workshop 1 deformation of an elastic dam under time dependent water pressure lecture 4 abaquscae volume fraction tool lecture 5 cel modeling techniques workshop 2 bird strike impact on double walled aircraft fuselage. Coupled euler lagrangian approach using abaqus explicit. You can perform static as well as dynamic analysis see both abaqus standard and abaqus explicit. 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.
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. Bird strike analysis on an aircraft leading edge using sph bird model the front facing edges of an airplane, which include the wings, nose cone and engine, are more prone to bird strikes. The most important aspects of using finite element softwares is implementation of the software in a way that guarantees accurate results. Smooth particle hydrodynamics for birdstrike analysis using. The most easiest and fastest way to learn abaqus software is to learn it by abaqus video tutorials along with examples. This tutorial gives a basic introduction to sph modelling in abaqus cae.
Sph birdstrike stepbystep abaqus611 free download as pdf file. Bird strike damage analysis in aircraft structures using abaqusexplicit and coupled eulerian lagrangian approach article in composites science and technology 714. Bird strike simulation on deformable plate for assessment of residual plastic deformation bird impact study on preloaded composite plates the next step in the assessment of numerical methods for bird strike simulations with abaqus explicit was based on a simplified, generic load case. Learning abaqus is very crucial for variety fields of engineering. Bird strike simulation on a wing slat using abaqusexplicit the form of. Ansys analysis compression tools rotor dynamics additional tools useful for modeling rotating machinery, such as electric turbo generators, in modal, harmonic and transient dynamic analyses the design mantra lighter, faster. Guidelines for papers to be presented at the abaqus users. Abaqus tutorial bird strike wing damage analysis using cel. Abaqus tutorialbirdstrike analysis using sph method. This course is recommended for engineers with experience using abaqus about this course. Abaqus technology brief bird strike simulation on a wing. Finite element analysis using abaqus egm 6352 spring 2017 instructor.
Test some of the skills learnt during tutorials 1, 2 and 3. Modeling bird strike using cel approach optimec consultants. Pdf bird strike analysis of an airframe comparison of methods. Bird strike damage analysis in aircraft structures using abaqus explicit and coupled eulerian lagrangian approach. Bird strike is a major threat to aircraft structures, as a collision with a bird during flight can lead to serious structural damage. Context sensitive help is also available within cae. Build a framework model using a 3d wireframe read in from a cad system. Apr 26, 2011 coupled euler lagrangian approach using abaqus explicit in the bird strike aircraft damage analysis i. Help me with abaqus learn abaqus by video tutorials with. Guidelines for papers to be presented at the abaqus.
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