- a. The analysis of test results is to be consistent with the guidance provided in paragraph 5.14, above, as well as Part One, Annex A, Tasks 405 and 406. Additionally, the analysis of results will, in general, consist of presentation in some appropriate format as called out by the DETP, the (1) measured input environment to the test item; (2) the measured response environment of the test item, and (3) the functional or operational performance of the test item under the environmental stress. With regard to (1) and (2), these may include temperature, humidity, pressure, acoustic noise, acceleration, velocity, displacement, vibration, or shock. With regard to (3), this may include the mechanical, electrical, overall functional or safety performance while under environmental stress.
- b. The goal of the “analysis of results” paragraph in each test Method is an attempt to correlate the measured response environments and the functional or operational performance of the test item with the measured input environment considering any synergistic effects. Performance of this correlation may require an understanding of an idealized model of the test item, a careful study of the physics of failure, and some rudimentary understanding of the synergistic effects of combined environments. In extended duration environmental tests, an understanding of the general “fatigue” stress receptivity of the test item is required. Underlying all of this is the purpose of the test and the relationship of the test to the goals of the test, i.e., environmental qualification, test-analyze-and-fix, developmental testing, etc. In some cases the test will be designed to simulate the in-service environment. In other cases it will be designed to envelope the environment in hope of providing a conservative margin to a design and, in other cases, the test may be exploratory in nature to examine the “fragility” of the test materiel.
MIL-STD-810H
PART ONE