software exchange: digital tools and references


Section Property Calculation Capability: The Sectionwizard software package allows users to calculate section properties for custom or assembled shapes. These section properties include area, moment of inertia, section modulus, center of gravity, shear center, and torsional constants. Users can also create custom shapes from built-in sections and plates, and find standards sections with properties comparable to a custom or builtup section. With the software, engineers can also compute stresses at any point of a cross section based on axial forces and create free-form sections, chambers, and radii.

Hardware: PC running Windows 95, 98, 2000, or NT.

Developer: Research Engineers International, 22700 Savi Ranch Pkwy., Yorba Linda, CA 92887; (714) 974-2500; fax (714) 974-4771; www.reiworld.com.

Cost: $695.

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STEP Translation Capability: CAD and computer-aided manufacturing translation software is available for download via the developer's Web site and allows users to perform Pro/Engineer or Catia to Standard for the Exchange of Product Data (STEP) translations. Users download the software free, but pay for each conversion. The service allows CAD data transfer between Pro/Engineer and Catia and all systems that support STEP. The translator converts all three-dimensional geometries that are mapped to equivalent STEP entities. Translation filters are provided so that only required data is translated. Pro/Engineer and Catia licenses are not required for the translation.

Hardware: PC with Web access.

Developer: Cadcam-E.Com, 28124 Orchard Lake Rd., Suite 101, Farmington Hills, MI 48334; (284) 932-5295; fax (284) 932-9397; www.cadcam-e.com.

Cost: Software is free, then $150 per translation.

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Five- module Visual Analysis System Capability: The Finite Element Visual Analysis, or FEVA, system is composed of five modules: a mesh generator, a preprocessing and postprocessing finite element system, a general thermal and stress linear code for designers and general analysts, a least-squares-based fluid dynamic solver that provides mathematically guaranteed convergence flow simulator ability, and a least-squares electromagnetic solver. The package is intended to meet full analysis needs for certain engineers. It makes use of open architecture and is compatible with all widely used CAD and finite element analysis programs.

Hardware: PC running Windows 95, 96, 2000, or NT.

Developers: Aegis Software, 3840 Beatty Court, Murrysville, PA 15668; (724) 325-5595; fax (724) 325-5591; aegis@westol.com.

Cost: $3,500.

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CAD Standards Manager Capability: StanConvert lets CAD managers control from a central point CAD translations and automated conversions of AutoCAD drawings to or from special project standards or standards used by other clients. The software's CAD standards translator gives users a process by which standard coding systems and setups in drawings are translated automatically. It is also designed to batch process libraries of existing drawings to common standards formats. The software provides conversions when importing and exporting drawings for special projects and allows exchange of AutoCAD drawings with other offices within the company.

Hardware: AutoCAD station.

Developer: Softco Engineering Systems, 814 Goldstream Ave., No. 102, Victoria, BC, Canada V9B 2X7; (888) 811-9994; fax (250) 391-8778; www.softcosys.com.

Cost: $299, stand-alone package; $249, downloadable version.

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Tube Field Layout Capability: ScanCAD.itl is a stand-alone, graphical tube field layout program. The software will also be included in a heat exchanger mechanical design program called SnapCAD.Exchanger, to be released by the developer in the summer. When the software user specifies the shell diameter, the software program optimizes and shows the number of tubes. Likewise, when the user specifies the tube number, the program optimizes the shell diameter. The program also provides nozzles and impingement plates. Users may add tie rods, seal strips, dummy tubes, and skid bars. The program gives single and double segmental baffles with or without tubes in the window and also automatically calculates and reports window flow areas. Tube passes may be specified at any number from one to 16, including odd numbers. Pass arrangements include ribbon flow, I-type, tree-type, and special arrangements for certain tube passes. Users can print a report and tube-field drawings or can export them to CAD files.

Hardware: PC running Windows 95, 98, NT, ME, and 2000.

Developer: Heat Transfer Consultants, P.O. Box 23525, Pleasant Hill, CA 94523; (925) 827-9689; fax (925) 827-1407; www.htcsoftware.com.

Cost: $950, single-user license.

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CAD Motion Capability: FreeCAD is a three-dimensional CAD program that includes motion simulation. It allows users to create and manipulate assemblies, which are collections of 3-D parts connected by joints, constraints, contacts, actuators, springs, dampers, and forces. The software performs full 3-D multibody dynamics analysis to predict the motion according to Newton's Laws. The software produces realistic animations. Users can obtain engineering data in the form of plots and tables. Data series available include linear and angular displacements, velocities, accelerations, forces, torques, momenta, and kinetic energies. Acceleration data include transverse, centripetal, and Coriollis accelerations. Users can view forces and torques from joints, constraints, actuators, springs, dampers, applied forces, and inertia.

Hardware: PC running Windows 95, 98, ME, or NT; OS 7, 8, or 9; or Linux.

Developer: Aik-Siong Koh, 2152-B 37th St., Los Alamos, NM 87544; (505) 661-9779; askoh@alumni. princeton.edu; www.geocities.com/ skoh_us.

Cost: Free.

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Gas Turbine Simulation Capability: The gas turbine cycle software program GasTurb9 simulates the most common types of gas turbine engines with few abbreviations. The software shows engine cross sections with station numbering and secondary air systems. It estimates compressor efficiency as a function of stage loading, size, and technology level in design calculation and uses component maps for off-design. It also allows users to define a flight envelope or a flight mission and calculate all points in a single run. It shows turbine velocity triangles using a Smith diagram.

Hardware: PC running Windows 95, 98, 2000, or NT.

Developer: Joachim Kuzke and Max Feldbauer, Weg 5, 85221 Dachau, Germany; fax (49-81) 315-4886; www.gasturb.de.

Cost: $550, single-user license; $1,100 with source code.

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Document Management Capability: This document management system, called Columbus, provides a simple interface, and allows viewing and printing of most file formats. It is accessible from PCs connected to a local- or a wide-area network or to the Internet, which allows documents to be shared within a group. It automatically extracts title block information from AutoCAD drawings and previews AutoCAD files. It also issues documents to an extranet site and to a local record set.

Hardware: PC.

Developer: Ove Arup and Partners, 13 Fitzroy St., London, England W1T 4BQ; (44-20) 7636-1531; www.arup.com.

Cost: Free.

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Object- based Design Capability: VectorWorks 8.5 integrates object-based design with two-dimensional drafting and 3-D modeling capabilities. It also includes a linked worksheet function and a scripting language. The software provides a set of menu commands and tools for 2-D drafting. The program offers constant on-screen feedback (shown in the mode/message bar) and what the developer calls a SmartCursor, which identifies relevant parallels, intersections, snaps, and tangents as the user draws. In addition to 3-D surface and wireframe modeling tools, the program offers 3-D Boolean operations.

Hardware: PC running Windows 95, 98, 2000, or NT or MacIntosh OS.

Developer: Nemetschek, 7150 Riverwood Dr., Columbia, MD 21046; www.nemetschek.net.

Cost: $795.


CAD Viewer Capability: This computer-aided design viewer, called 3-D View, allows users to call up CAD designs on their screens, although they cannot work on the designs. The viewer provides accurate measurements, shows markups to the designs, shows cross sectioning and dimensioning, and allows assembly navigation. It also allows access to three-dimensional computer-aided manufacturing data.

Hardware: PC running Windows 95, 98, or NT.

Developer: Actify, P.O. Box 460688, San Francisco, CA 94146; (415) 647-6504; fax (415) 647-6506; info@actify.com; www.actify.com.

Cost: $195.


Analysis Package Capability: Femlab is a modeling and analysis package particularly suited to the analysis of chemical processes. The software runs on top of Matlab software, which is a standard tool for technical computing developed by Mathworks of Natick, Mass. Femlab models a physical phenomena described by the user, usually an engineer or scientist who uses partial differential equations to describe the analysis. Models that can be generated include heat transfer, fluid flow, electromagnetics, and structural mechanics.

Hardware: PC running Windows 95, 98, or NT, or a Unix platform.

Developer: Comsol, 8 New England Executive Park, Suite 310, Burlington, MA 01803; (781) 273-3322; fax (781) 273-6603; info@comsol.com; www.comsol.com.

Cost: $3,995, single-user license; $5,995, floating network license.



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