Accession Number : ADA118964

Title :   Revised Structural Technology Evaluation Program (STEP) User's Manual for Structural Synthesis.

Descriptive Note : Final rept. Jan 79-Nov 81,

Corporate Author : ROCKWELL INTERNATIONAL EL SEGUNDO CA NORTH AMERICAN AIRCRAFT DIV

Personal Author(s) : Chang,James B ; Hiyama,R

PDF Url : ADA118964

Report Date : Nov 1981

Pagination or Media Count : 171

Abstract : This report presents the description of a structural synthesis program used within the Structural Technology Evaluation Program (STEP). This program is the revised version of APAS III (Automated Pre-Design of Aircraft Structure). The reversion includes implementation of a fatigue crack-growth analysis methodology which realistically accounts for the spectrum load interaction effects to crack growth. Additional work was to add to the program the capability of producing fighter aircraft load spectra. (author)

Descriptors :   *Airframes, *Aeronautical engineering, *Structural analysis, *Crack propagation, Fuselages, Shells(Structural Forms), Wing boxes, Fatigue(Mechanics), Loads(Forces), Interactions, Fighter aircraft, Transport aircraft, Load distribution, Tolerances(Mechanics), Damage assessment, Fatigue life, Predictions, Computer programs, Modular construction, Computer applications, Test and evaluation, User manuals

Subject Categories : Attack and Fighter Aircraft
      Transport Aircraft
      Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE