Subject: PDEase2D release 3.0: Desktop finite elements
From: petti@macsyma.com (Richard Petti)
Date: 22 Oct 1996 18:11:58 GMT
The following press release and information announce PDEase2D
Release 3.0 for desktop finite elements.
Please visit or web site or email or call for more information.
--
Richard Petti
Macsyma Inc.
20 Academy Street
Arlington, MA 02174-6436 U.S.A.
tel: 617-646-4550
email: petti@macsyma.com info@macsyma.com
URL: http://www.macsyma.com
============================================================
FOR IMMEDIATE RELEASE
Macsyma Inc. Announces Release 3.0 of PDEase2D Finite Element
-------------------------------------------------------------
Software with Scientific Notebooks
----------------------------------
ARLINGTON, MA (October 21, 1996) - Macsyma Inc. will ship Release 3.0 of
PDEase2D(tm) finite element analysis (FEA) software on November 7, 1996.
The new release for Windows 95(tm) and Windows NT(tm) adds a scientific
notebook interface that includes interactive animated graphics, a
DataViewer(tm) for displaying and editing numerical data, text
processing, hypertext links, and a filter for importing drawings from
major CAD packages such as AutoCAD(R).
PDEase2D is extremely flexible and easy to learn. It solves problems
in heat transfer, solid mechanics, reaction/diffusion, fluid mechanics,
electromagnetics, groundwater flow, quantum mechanics, and other fields.
"PDEase2D now combines the convenience of scientific notebooks with the
flexibility of a highly automated finite element engine. We designed
PDEase2D so people can focus on engineering applications, rather than
on finite elements," said Macsyma Inc. President and CEO Richard Petti.
PDEase2D's simple input language, automatic grid generation and
refinement, on-line help, and 140 working on-line demonstrations
dramatically reduce the time required to solve nonlinear static,
dynamic, and eigenvalue problems with up to 32 simultaneous equations
plus constraints. PDEase2D uses the same scientific notebook interface
as another Macsyma Inc. product, Macsyma(R) mathematics software.
Macsyma software can be used to pre-process complicated equations for
solution by PDEase2D and to post-process data generated by PDEase2D.
Macsyma Inc. is offering its new PDEase2D product at an introductory
price of $699 until January 1, 1997. Founded in 1992, Macsyma Inc.
develops, markets, and supports PDEase2D finite element analysis
software and Macsyma general purpose math software.
Contact:
Christine Van Roosen or Richard Petti
Macsyma Inc.
Tel: 617-646-4550, Fax: 617-646-3161
cvanr@macsyma.com
petti@macsyma.com
http://www.macsyma.com
____________________
PDEase(R) and Macsyma(R) are registered trademarks and PDEase2D(tm) and
DataViewer(tm) are trademarks of Macsyma Inc. Other trademarks are the
property of their respective owners.
____________________
Macsyma Inc. tel: 617-646-4550 free: 1-800-macsyma
20 Academy Street fax: 617-646-3161 (1-800-622-7962)
Arlington, MA 02174 email: info@macsyma.com http://www.macsyma.com
=====================================================================
Basic product information:
PDEase2D Software Helps You Focus on Your Applications
------------------------------------------------------
- Not on Finite Elements
----------------------
Designed to take the grunt work out of finite elements, PDEase2D(tm)
from Macsyma Inc. is a revolutionary new product that will have you
solving your problems more quickly than any other product.
1 FLEXIBLE
PDEase2D helps you solve a wide range of problems in heat
transfer, reaction diffusion, solid mechanics, fluid mechanics,
electromagnetics, groundwater flow, quantum mechanics and more.
It solves static, dynamic and eigenvalue problems with up to 32
(non)linear partial differential equations (PDEs) plus
constraints with an unlimited number of nodes in two space
dimensions plus time. PDEase2D also includes 140 worked
sample problems from many fields, so you can often solve your
problem by modifying a sample problem.
2 ACCESSIBLE
With PDEase2D's remarkably simple input language, you specify
only the PDEs, variables, geometry and boundary conditions;
PDEase2D creates both numerical output tables and plots.
PDEase2D generates and refines the element grid, adaptively
selects time step size in dynamic problems, and iterates until it
attains convergence in nonlinear problems. Because PDEase2D does
automatic error analysis, you don't need to make several runs with
different meshes to verify convergence. And you can choose whether
or not to override the automatic defaults.
3 SCIENTIFIC NOTEBOOKS
PDEase2D's input and output appear in attractive scientific
notebooks with interactive animated graphics, numerical data
tables, formatted text, hypertext links, and an active table of
contents.
4 GRAPHICS
PDEase2D creates many kinds of interactive animated Windows
graphics, right in the notebooks. You can create animations of
solutions to dynamic problems, and run them dynamically or frame
by frame.
5 PRE-PROCESSING AND POST-PROCESSING
You can import geometries from CAD programs. You can use Macsyma
(a separate symbolic numerical software product from Macsyma Inc.)
to post-process the numerical output produced by PDEase2D right in
the shared notebook interface. For complicated equations or
coordinates, you can use Macsyma to write the PDEs automatically and
pass them to PDEase2D for numerical solution.
--------------
PDEase2D runs under Windows 95 and Windows NT. A version of PDEase2D
without notebooks runs on SPARC workstations.
"Finite Element Analysis with No Mesh, No Fuss"
Call 800-macsyma for a free demo disk or visit
our Web site at http://www.macsyma.com
PDEase and Macsyma are a registered trademarks of Macsyma Inc.
PDEase2D and DataViewer are trademarks of Macsyma Inc. Other
trademarks are the property of their respective owners.
=====================================================================
PDEase2D Release 3.0 Brings Windows Notebook Interface to F.E.A.
----------------------------------------------------------------
New Features List
PDEase2D(tm) Release 3.0 helps you organize, analyze, and communicate
your results with new features including:
Scientific Notebooks
--------------------
PDEase2D's scientific notebooks help you produce publication-quality
documents.
- Edit and re-execute problem specifications in-place with
the notebook.
- Display numerical data in scrolling DataViewer(tm) tables.
Import/export data as text files.
- Work with WYSIWYG word processor features, including
paragraph and character formatting and styles.
- Navigate within and between notebooks with hypertext links.
- Move symbolic/numerical data between PDEase2D and Macsyma(R)
software.
- Import/export math, graphics as Windows metafiles.
Graphics
--------
PDEase2D creates many kinds of interactive Windows graphics.
- Create plots of functions, contours, vector fields, cross
sections, histories.
- Animate plots in solutions of dynamic problems.
- Control rotation, clipping, truck, zoom, roll with your mouse.
- Query for coordinates interactively with your mouse.
- Edit over 250 display attributes in the notebook for a typical
3D plot.
- Edit publication-quality color rendering and lighting.
- Control plot title, comments, axis labels, including text,
position, orientation, font, and color.
- Export graphics as .bmp, .gif, .pcx, .rle file and as Windows
metafiles.
CAD Interface
-------------
- Import drawings from major CAD programs (such as AutoCAD(R))
as .dxf files
Math Capabilities
-----------------
- Solves up to 32 simultaneous P.D.E.s.
- Solves problems with unlimited nodes and elements.
On-Line Help and Documentation
------------------------------
PDEase2D has such good on-line help facilities that you can find most
information without ever opening the newly upgraded and comprehensive
PDEase2D reference manual.
- Topic browser with 120 topics and commands
- Hypertext descriptions of 300 topics.
- 140 executable demonstrations accessible from menus cover many
fields: heat transfer, solid mechanics, fluid mechanics,
electromagnetics, reaction diffusion, quantum mechanics and more.
======================================================================
A companion book for PDEase:
"FIELDS OF PHYSICS ON THE PC
by Finite Element Analysis"
by: Professor Gunnar Backstrom, University of Umea (Sweden)
Publisher: Studentlitteratur (Sweden) and Chartwell-Bratt (U.K.)
This unique book shows how to solve a wide range of classical physics
problems with the aid of a novel new PC program, PDEase(R). The book
includes problems involving gravity, electricity and magnetism, heat
conduction, elastic deformation and fluid flow. These problems all
involve solving (systems of) partial differential equations (PDEs) by
finite element analysis (FEA). Using this book and the PDEase software,
the reader can focus on the actual physics of problems rather than on
numerical methods.
Engineers, scientists and students who can express a problem in
terms of PDEs can profit from this book. Besides providing an
introduction to solving problems with PDEase software, the book offers
insight into many interesting phenomena in classical physics as well as
the power of FEA.
This book will be helpful to advanced undergraduates, graduate students
and practicing engineers and scientists who need to solve problems
involving PDEs.
Table of Contents
1. Plotting Functions
Graphical Facilities of PDease
"Curly" Velocity Fields
Harmonic Functions
Fields of Gravitation
2. Electricity
Electric Point Charges
The Laplace Equation
Electrical Conduction
Dielectrics in (x,y) Space
Steady Fields in (r,z) Space
3. Magnetism
Magnetostatics in (x,y) Space
Magnetostatics in (r,z) Space
4. Heat
Steady Heat Conduction in (x,y) Space
Steady Heat Conduction in (r,z) Space
Non-linear Conduction Problems
Simultaneous Electric and Thermal Conduction
Time-Sinusoidal Problems
Transient Problems in One Space Dimension
Transient Problems in (x,y) and (r,z) Space
5. Elasticity
Elementary Elasticity in (x,y) Space
More Elasticity in (x,y) Space
Bending of Beams
Simple Torsion
Elasticity in (x,y) Space
Thermo-Elasticity in (x,y) and (r,z) Space
6. Liquid Flow
Irrotational Flow of Liquids
Viscous Flow of Liquids in (x,y) Space
Viscous Flow in (x,y) Space Past an Obstacle
Viscous Flow in (r,z) Space
Appendices
Principles of Finite Element Analysis
Never Used the DOS Editor Before?
Syntax of PDEase
References
Index
This book is available from Macsyma Inc. at a price of $55. This
price includes shipping and handling in the U.S.A. and Canada.
Subject: Re: Salinity -- Help, Help
From: Phil.Morgan@ML.CSIRO.AU (Phil Morgan)
Date: Wed, 23 Oct 1996 07:01:45 GMT
In article
,
Dana Swift wrote:
>On Fri, 18 Oct 1996, Max Edelhauser wrote:
>
>> Please,
>>
>> can anyone tell me how to, or where I can obtain the relationship for
>> the Salinity (S) of sea water as a function of Conductivity (C),
>> Temperature (T), and Pressure (P), that is S=f(C,T,P)?
>>
>> I have a polynominal that expresses S as a function of K per
"Practical
>> Salinity Scale" of 1978, that is S=f(K), where K is the Conductivity
>> Ratio. So -- I actually just need a relationship that expresses K as a
>> function of C, T, and P, that is K=f(C,T,P).
>
There is a comprehensive software package written in MATLAB to
calculate some 30 parameters related to seawater. The software
is called SEAWATER and written by me in 1994. It is very robust
and is being used by over 100 scientiests. It is available via ftp
ftp site = aqueous.ml.csiro.au
directory = pub/morgan/seawater
An incomplete web page is still under construction:
http://www-ocean.ml.csiro.au/~morgan/seawater
Cheers
Phil Morgan
Dr Phil Morgan Tel: +61 3 62325236
CSIRO Division of Marine Research Fax: +61 3 62325123
GPO Box 1538, Email: Phil.Morgan@ml.csiro.au
Hobart Tas 7001, AUSTRALIA http://www-ocean.ml.csiro.au/~morgan