Program Multi - A Multi-purpose Program for Computing and Graphing Roots and Values for Any Real Function -- Users/Programmers Manual

Brantman, Russel; John A. Volpe National Transportation Systems Center, (U.S.)

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Program Multi - A Multi-purpose Program for Computing and Graphing Roots and Values for Any Real Function -- Users/Programmers Manual

1976-05-01
By Brantman, Russel

[PDF-905.84 KB]

English

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Details:

Creators:

Brantman, Russel
Corporate Creators:

John A. Volpe National Transportation Systems Center, (U.S.)
Corporate Contributors:

United States. Federal Railroad Administration. Office of Research and Development
Subject/TRT Terms:

[+]

Computer Graphics Computer Programs Derailments Mathematical Analysis Stability (Mechanics) Steering Train Operations Train Track Dynamics
Publication/ Report Number:

FRA/OR&D-76-143 ; DOT-TSC-FRA-76-1

FRA/OR&D-76-143 ; DOT-TSC-FRA-76-1 Less -
Resource Type:

Manual
Geographical Coverage:

United States
Corporate Publisher:

United States. Federal Railroad Administration
NTL Classification:

NTL-RAIL TRANSPORTATION-RAIL TRANSPORTATION;NTL-RAIL TRANSPORTATION-Rail Planning and Policy;NTL-RAIL TRANSPORTATION-Rail Safety;
Abstract:

As part of its activity under the Rail Equipment Safety Project, computer programs for track/train dynamics analysis are being developed and modified. As part of this effort, derailment behavior of trains negotiating curves under buff or draft has been investigated. To determine how critical car and train parameters affect actual stability of various train buckling modes, a generalized multi-purpose computer programs has been developed that can be used to compute and graph cross sections of any surface in space, or to compute and graph the roots of any equation and any function of these roots. It can be used for a variety of applications, including the graphing of multi-valued functions whose branches are not known beforehand. This capability is unique among graphing programs, and it greatly facilitates that analysis of any system with multiple equilibrium branches. The program is especially suited for computing the branches and investigating the stability of nonlinear finite-degree of freedom systems subjected to static loads. The program is oriented towards systems with one or two degrees of freedom, but it can also handle additional degrees of freedom and any number of parametric variables.
Format:

PDF
Collection(s):

Volpe Center
Main Document Checksum:

[+]

urn:sha256:881431eed10c3a135a2a23d8d4db52a8102c33b414c86b6b2e844a2788acfbc5
Download URL:

https://rosap.ntl.bts.gov/view/dot/11116/dot_11116_DS1.pdf
File Type:

No Additional Files

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Program Multi - A Multi-purpose Program for Computing and Graphing Roots and Values for Any Real Function -- Users/Programmers Manual

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