Understanding Structural Verification: For Space-Mission Hardware Training
Understanding Structural Verification: For Space-Mission Hardware Training Course Description
This three-day Understanding Structural Verification: For Space-Mission Hardware Training Course Description for nonstructural engineers provides a rigorous yet understandable look at what it takes to ensure space hardware is structurally safe for flight and able to meet mission objectives. Emphasis is on concepts, processes, and what to look for rather than on equations.
The objectives are to improve your understanding of
structural requirements and flight environments
how structures and materials behave and how they fail
how to establish (or recognize) sound plans, criteria, and processes for ensuring payloads can safely withstand launch and other flight environments
how to document verification
and how to assess risk when problems arise
With onsite Training, courses can be scheduled on a date that is convenient for you, and because they can be scheduled at your location, you don’t incur travel costs and students won’t be away from home. Onsite classes can also be tailored to meet your needs. You might shorten a 5-day class into a 3-day class, or combine portions of several related courses into a single course, or have the instructor vary the emphasis of topics depending on your staff’s and site’s requirements.
Overview of Structural Requirements and Verification Structural functions and requirements, effects of the space environment, categories of structures, how launch affects things structurally, understanding verification, available standards
Review of Statics and Dynamics Load and displacement, static equilibrium, the equation of motion, modes of vibration
Flight Environments and How Structures Respond Quasi-static loads, transient loads, coupled loads analysis, sinusoidal and random vibration, acoustics, pyrotechnic shock
Mechanics of Materials Stress and strain, understanding material variation, benefits of ductility, thermoelastic effects, mechanics of composite materials, corrosion, standardization
Introduction to Finite Element Analysis Understanding FEA and stiffness matrices, limitations of FEA, quality assurance for FEA
Verification Planning The building-blocks approach to verification, verification methods and logic, protoflight vs. qualification testing, product inspection, types of tests, verification processes for small flight structures and for large flight structures
Stress Analysis What it means to assess structural integrity, the process for verifying structural integrity, the margin of safety, verifying structural integrity is never based on analysis alone, an effective process for strength analysis, common modes of failure, case histories, fatigue analysis, fracture control
Improving the Loads-cycle Process The traditional loads-cycle process and coupled loads analysis (CLA); improving the process by (a) managing math models, (b) integrating stress analysis with loads analysis, (c) variational CLA to assess sensitivity; potentially eliminating the need for payload-specific CLA for small payloads
Designing an Effective Test Designing a test, configuration and boundary conditions, a key difference between qualification tests and acceptance or proof tests, success criteria and effective instrumentation, preparing to interpret test data
Static Loads Testing Objectives, configuration, load application, designing a static loads test, centrifuge testing
Testing on an Electrodynamic Shaker Test configuration, sine-sweep testing, sine-burst testing, random vibration testing, avoiding over-test with notching and force limiting
Modal Survey Testing and Model Correlation Objectives and target modes, key considerations, checking the test data, correlating the math model
Final Verification and Risk Assessment Overview of final verification, addressing late problems, using estimated reliability to assess risk, example: negative margin of safety, making the launch decision.
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