... clarity, the various parts of the resistance spot welding machine are identified. UG-003 335 Page 6 SECTION 4 − FUNDAMENTALS OF RESISTANCE SPOT WELDING 4-1. Principle Resistance welding is accomplished ... the arc welding circuit. Processes Description Resistance Spot Welder Resistance Spot Welding 003 335A July 2005 Visit our website at www.MillerWelds.com HANDBOOK FOR Resistance Spot Welding WARNING This ... Uses Of Resistance Spot Welding Y SPOT WELDING can be hazardous. Read and follow Safety Section at front of this book as well as the Owner’s Manual and all labels on the equipment. Resistance spot...
Ngày tải lên: 25/01/2014, 20:20
... spun up for duration of 2 day with a ramp function. Simulation duration was 126 hr. Fig. 2. HonDau Tidal level of 1%, 5%, 10% and 95% of ocurrence. Table 2 Tide level of return periods Return ... et al. / VNU Journal of Science, Earth Sciences 26 (2010) 90-97 92 Tide forcing for the circulation model was time series of Hon Dau tide station of return period of 2 years (50%), 10 ... simulations with five hydrodynamics simulations were conducted in which combinations of tide and wave forcing with different return period only show at the end of the simulation (hr 126). Contour...
Ngày tải lên: 14/03/2014, 15:20
numerical simulation of pulsed
... forming is a newly developed, flexible technique which modifies the curvature of sheet metal or hard material using energy of a laser. The schematic of a laser bending process is shown in Fig. 1. The ... Modeling of Laser Forming,’’ Proc. of Laser Institute of America, ICALEO, 83, Laser Institute of America, Orlando, FL, pp. 31–40. ͓10͔ Chen, G., and Xu, X., 2000, ‘‘3D CW Laser Forming of Thin ... Transactions of the ASME X. R. Zhang G. Chen 1 X. Xu 2 e-mail: xxu@ecn.purdue.edu School of Mechanical Engineering, Purdue University, West Lafayette, IN 47907 Numerical Simulation of Pulsed Laser...
Ngày tải lên: 06/05/2014, 08:57
Numerical simulation of fracture in plain and fibre reinforced concrete
... considered a good approximation of the mode I fracture behaviour of concrete. Nonlinear softening laws have also been used in the investigation of the fracture processes of cementitious materials (Foote ... those of brittle and ductile materials. Figure 2.1 shows a comparison of the relative sizes of the process zones occurring in the three types of materials mentioned. The original formulation of ... generation of the ge- ometry of the material (random placement of aggregates within the mortar) and the detailed discretisation of the elements to adequately reproduce the geometry of the interfaces....
Ngày tải lên: 26/05/2014, 17:57
Resistance Spot Welding - Miller Electric pot
... not normally used for applications in which resistance spot welding machines would be employed. Processes Description Resistance Spot Welder Resistance Spot Welding 003 335A July 2005 Visit our website ... surface of the base metal. Figure 4-1 shows a resistance spot weld nugget compared to a gas tungsten-arc (TIG) spot weld. RESISTANCE SPOT TUNGSTEN ARC SPOT Figure 4-1. Resistance And TIG Spot Weld Comparison The ... INTRODUCTION Resistance welding is one of the oldest of the electric welding processes in use by industry today. The weld is made by a combination of heat, pressure, and time. As the name resistance welding...
Ngày tải lên: 20/06/2014, 17:20
báo cáo hóa học:" Numerical simulation of thin paint film flow" doc
Ngày tải lên: 21/06/2014, 17:20
Báo cáo nghiên cứu khoa học " Numerical simulation of sediment transport and morphology changes at the Bach Dang estuary " pdf
Ngày tải lên: 09/08/2014, 17:23
báo cáo khoa học:" Numerical simulation of in vivo intraosseous torsional failure of a hollow-screw oral implant" pdf
Ngày tải lên: 11/08/2014, 23:22
Simulation of the thermal borehole resistance in groundwater filled borehole heat exchanger using CFD technique
Ngày tải lên: 05/09/2013, 14:58
Numerical simulation and performance test of metal hydride hydrogen storage system
Ngày tải lên: 05/09/2013, 14:58
Numerical simulation and optimization of CO2 sequestration in saline aquifers for enhanced storage capacity and secured sequestration
... applications of Computational Fluid Dynamics and Numerical Optimization to the study of Carbon Capture and Geological Sequestration. He is a member of the National Society of Professional Engineers, ... Appendix A.1 Numerical Simulation domain and GA Setup Typical hydrogeological properties of a semi-heterogeneous saline aquifer with depth of 1,300 m were assigned to the simulation domain. ... the extent of plume migration, brine movement and pressure impact) as well as the energy efficiency and economic feasibility of GCS by improving the injection operations. Numerical simulations...
Ngày tải lên: 05/09/2013, 16:10
Tài liệu Báo cáo "Numerical simulations of overland floods in urban areas using a conservative Godunov-type scheme " pptx
Ngày tải lên: 13/02/2014, 12:20
Tài liệu Báo cáo khóa học: Quantitative analysis, using MALDI-TOF mass spectrometry, of the N-terminal hydrolysis and cyclization reactions of the activation 2 process of onconase pdf
... stability of ONC against temperature [8,31]. Taking advantage of this property, the cyclization reaction from Gln to Pyr was evaluated as a function of temperature, up to 70 °C, by using MALDI-TOF MS. ... reducing it once purified. By using the purified recombinant protein, the conversion of reagents and products of the exopeptidase- catalyzed hydrolysis of Met1 and cyclization of Gln1 to pyroglutamyl ... equal volume of saturated sinapinic acid in the same solvent of the matrix, and 0.5 lL of the mixture was immediately applied to a sample probe spot. Cyclization reaction as a function of pH and...
Ngày tải lên: 19/02/2014, 12:20
Báo cáo " A numerical model for the simulation of wave dynamics in the surf zone and near coastal structures " pot
... aspects of coastal processes, such as the dynamics of wave breaking, characteristics of turbulence in the surf zone, structure of the undertow, the development of bottomboundarylayerunder breakingwaves,therate of bedloadtransport, uptake of bedmaterialforsuspension,settling rate of suspendedsedim ... and observedadvectivetransports of TKE,shown inFig.7,isbetterthanthatfortheTKEitself. Results of Ting and Kirby [15, 16] show that there is a tendency of offshore (negative) transport of TKE. ... transformation and characteristics of turbulence due to wave breaking on a natural beach To verify the accuracy of the numerical model on the simulation of the wave transformation...
Ngày tải lên: 28/03/2014, 15:20
modeling and simulation of systems using matlab and simulink
... Advantages of Simulation 402 8.3 When to Use Simulations 403 8.4 Simulation Provides 403 8.5 How Simulations Improve Analysis and Decision Making? 404 8.6 Application of Simulation 404 8.7 Numerical ... Characteristics of Numerical Methods 413 8.9 Comparison of Different Numerical Methods 413 8.10 Errors during Simulation with Numerical Methods 414 8.10.1 Truncation Error 414 8.10.2 Round Off Error ... the stress exceeds the elastic limit of the material of which the spring is made, stress 4 Modeling and Simulation of Systems Using MATLAB and Simulink of physics, which is called the mathematical...
Ngày tải lên: 01/04/2014, 10:55
direct writing of conventional thick film inks using maple dw process
... results of quality of MAPLE-DW process. Examples of these three regimes from our experiment are shown in Fig. 2. All three responses begin with the protrusion of a bubble from the surface of the ... viscous for the use of a wire or spin coater. The thickness of the ink layer can be controlled by using different sets of shims. Time histories of the MAPLE-DW event were captured using high-speed ... manufacturing by using a mask. The development of digital light processing (DLP) gives the potential for a mask-free parallel process. Like ink-jet printing and the MicroPen, MAPLE-DW is capable of depositing...
Ngày tải lên: 06/05/2014, 08:53
numerical study of optical nanolithography using nanoscale bow tie shaped nano apertures
... cell has a dimension of x, y and z in Cartesian coordinates with size less than tenth of wavelength to ensure accurate numerical results. However, in the study of the near field of nanostructures, ... 1.42 0.16 DOF of 50 nm resolution 60 nm N/A 100 nm C 2008 The Authors Journal compilation C 2008 The Royal Microscopical Society, Journal of Microscopy, 229, 483–489 NUMERICAL STUDY OF OPTICAL ... 7.18 DOF of 50 nm resolution 56 nm 57 nm 61 nm 62 nm C 2008 The Authors Journal compilation C 2008 The Royal Microscopical Society, Journal of Microscopy, 229, 483–489 NUMERICAL STUDY OF OPTICAL...
Ngày tải lên: 06/05/2014, 08:58