drop test simulation of cellular phone|(PDF) The Methodology for Realization of

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For information, address: Division of Solid Mechanics, Lund University, Box 118, SE-221 00 Lund, Sweden. Homepage: www.solid.lth.se. Division of Solid Mechanics Master’s Dissertation by Anders Harrysson. DROP TEST SIMULATION OF CELLULAR PHONE. ISRN LUTFD2/TFHF .

ABSTRACT –Drop test simulation plays an important role in investigating impact behaviors and identifying weak points of a cellular phone at design stage since actual testing is expensive .In this study, a reliable drop/impact simulation for a cellular phone is carried out using the explicit code LS-DYNA. Subsequently globallocal experimental verification is accomplished by means .Drop test simulation plays an important role in investigating impact behaviors and identifying weak points of a cellular phone at design stage since actual testing is expensive and time . A patent pending drop tester which allows drop impact of the cellular phone at any orientation and drop height is used. A high-speed video camera is also utilized to verify the impact.

In this study, a reliable drop/impact simulation for a cellular phone is carried out using the explicit code LS-DYNA. Subsequently globallocal experimental verification is .electronic products such as cellular phones play a decisive role in the design because they must withstand unexpected shocks. The design of product durability on impact has heavily relied on .

[PDF] IMPACT ANALYSIS OF A CELLULAR PHONE

The paper deals with the description of methodology for performing of drop test of smartphones using high-speed digital image correlation method. This method allows capturing the impact. This study conducts drop tests on cell phones according to related test standards. It is shown experimentally that damage to the inner LCD modules of cell phones occurs . This article established a finite element model of a whole mobile phone for the simulation of its product-level drop tests. By conducting simulation of six-side and four .

Veryst presents a finite element simulation of a drop test of biodegradable cell phone case. Skip to main navigation Search. Main navigation. About. Our Team; Software Partnership; Careers at Veryst . The PolyUMod material model was .Mobile Phone Drop Test Simulation. This drop test simulation was used to study product performance for a four-foot corner drop onto a rigid surface. LS-Dyna's crack propagation method XFEM (eXtended Finite Element Method) . Owing to the complex stress condition of the on-board devices in a mobile phone under drop impact condition, high test cost, and long validation period are usually spent on product-level drop test for product design. Most of the standardized test protocols including the Joint Electron Device Engineering Council (JEDEC) standard for handheld electronic products . Conducting drop tests to investigate impact behavior and identify failure mechanisms of small-size electronic products is generally expensive and time-consuming. Nevertheless, strict drop/impact performance criteria for hand-held electronic products such as cellular phones play a decisive role in the design because they must withstand unexpected .

This study conducts drop tests on cell phones according to related test standards. It is shown experimentally that damage to the inner LCD modules of cell phones occurs mostly when the cell phone drops with its front or back facing up. The probability of the aforementioned damage can be effectively reduced using the Taguchi method to modify design. Using Taguchi .

As the mobile with large screen easily fall damage, in this paper, a finite element model of the mobile phone was built and drop simulation analysis based on ANSYS/LS-DYNA software.As the mobile with large screen easily fall damage, in this paper, a finite element model of the mobile phone was built and drop simulation analysis based on ANSYS/LS-DYNA software. The impact force effects on the phone shell, LCD, touch and battery components were studied. The corresponding stress and strain distribution and the acceleration and dynamic characteristics .RD-SL-T: 1020 Pen Drop Test Analysis. This tutorial demonstrates the simulation of the free fall of a pen. RD-SL-T: 1030 Drop Impact of PCB. This tutorial demonstrates how to perform of drop impact analysis of a PCB assembly. RD-SL-T: 1040 Drop Test - Quick Setup Workflow. This tutorial demonstrates a drop test using the Quick Setup panel. The paper deals with the description of methodology for performing of drop test of smartphones using high-speed digital image correlation method. This method allows capturing the impact of the phone at high sampling frequencies and thus the stresses in each surface point can be computed. The measurement was realized in laboratory conditions, in which the phone .

Drop/Impact Simulation 7th International LS-DYNA Users Conference 14-2 ABSTRACT The main factor of the cellular phone fracture is the impact due to the phone drop. Two cases of design criteria are assigned to reduce the damage of the phone for the drop test. One is that the main part and the battery should not beThe drop test simulation of the cell phone was conducted by SolidWorks Simulation [1]. SolidWorks is a Windows-based three-dimensional Mechanical CAD (Computer Aided Design) program. This software is currently used by over two million engineers and designers at more than 165,000 companies all over the world

A finite element model of the mobile phone was built and drop simulation analysis based on ANSYS/LS-DYNA software and the corresponding optimization proposal was put forward to provide reference for the study and optimization design of structure strength for this type of products. As the mobile with large screen easily fall damage, in this paper, a finite . Current approaches to drop test simulation [4], [5], are based . . Drop/Impact simulation for a cellular phone”, Experimental Mechanics, 44(4), 2004, pp.375-380. Drop/Impact Simulation for a Cellular Phone, Soc iety for . Experimental Mechanics, 44, 2004. . In the test, the cell phone dropped from a 1m height and impacted the floor with five different . On the basis of the characterization of the commercial portable devices, the following goals were set for the development of a board-level drop test methodology: a test board that simulates the response of portable electronic products to a free-fall drop impact should be able to produce: (1) board strain well above 3500 μ and (2) average strain rate as close as .

Impact analysis, also known as drop testing, is one of the most important stages of product design and development. Software that can simulate a drop test experiment accurately yields dramatic cost and time-to-market benefits for .

The simplified Cell Phone model is constructed from 130000 solid (Hex and Tetra elements) The ground plane is represented by a rigid wall. Initial velocity is defined to represent a drop height of 1.5m . The phone case is modeled using /MAT/PLAS_TAB (LAW36) with a plastic stress/strain curve, all other parts are modeled as Elastic (/MAT/LAW1 .market competition. This study concerns both simulation and physical test for drop impact. This test carrier is a top housing of a Motorola CD938 cellular phone attached with aluminum plate on four boss locations so that overall weight is equal to the weight of a real CD938. A drop test platform developed and patented by Chen, et al. [7-8] was .

Drop/Impact Simulation 7th International LS-DYNA Users Conference 14-2 ABSTRACT The main factor of the cellular phone fracture is the impact due to the phone drop. Two cases of design criteria are assigned to reduce the damage of the phone for the drop test. One is that the main part and the battery should not be A drop laboratory was built with a customized drop tester, on which the drop orientation of specimen can be controlled. Lim and Low [7] examined the drop impact response of cellular phones at different impact orientations and drop heights using a patent-pending drop tester. Especially, the measurement of the levels of shock experienced by .

Mobile Phone Drop Test Simulation using LS-DYNA. Aim: 1) To perform the Drop Test Simulation of Mobile Phone on the Floor by setting up the model. 2) To provide initial velocity to the mobile so that, it goes and hits the rigid floor at a certain velocity. 3) To get the output contour animation and other plots upon running the simulation.

This type of simulation is designed to mimic both potential mishandlings and expected circumstances a product and its packaging may encounter in distribution and in-use environments. . The impact a cell phone receives after falling off a kitchen counter is very different from the impact a crate receives when its railcar is humped with a .

In this paper, the drop/impact simulation for a mobile phone has been carried out with the explicit code LS-DYNA and its validation has been experimentally verified. DOI: 10.1109/ECTC.2007.373907 Corpus ID: 23531911; Transient Dynamic Simulation and Full-Field Test Validation for A Slim-PCB Of Mobile Phone under Drop / Impact @article{Park2007TransientDS, title={Transient Dynamic Simulation and Full-Field Test Validation for A Slim-PCB Of Mobile Phone under Drop / Impact}, author={Seungbae Park .Since computer simulation technique was applied into cellular phone drop in 1996, computer technology and engineering analysis codes have obtained great progress. Over 100 material . study on phone drop simulation in recent years. Element type selection in phone modeling A typical phone model usually has 200K-300K elements divided in 50 .Drop test simulation plays an important role in investigating impact behaviors and identifying weak points of a cellular phone at design stage since actual testing is expensive and time consuming. This paper presents the impact study of a new cell phone design with split steel bands. The finite element model of the assembly was developed by .

This is a tutorial for a drop test of a cell phone of purely elastic properties.

Numerical and Experimental Analyses of Component Failure Risk

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drop test simulation of cellular phone|(PDF) The Methodology for Realization of

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