Accession Number:

ADA076114

Title:

Finite Element Models of the Earth's Gravity Field.

Descriptive Note:

Final rept. on Phase 4,

Corporate Author:

VIRGINIA POLYTECHNIC INST AND STATE UNIV BLACKSBURG DEPT OF ENGINEERING SCIENCE AND MECHANICS

Personal Author(s):

• Engels ,Remi C.
• Junkins,John L.

Report Date:

1979-10-05

Pagination or Media Count:

152.0

Abstract:

Methods are developed and demonstrated for constructing piecewise local models for gravity anomalies. The approach is shown to be computationally more efficient by a factor of about 20 than competing methods. The report includes software listings and test cases. Author

Descriptors:

• *FINITE ELEMENT ANALYSIS
• *GRAVITY ANOMALIES
• COMPUTER PROGRAMS
• MATHEMATICAL MODELS
• COMPUTATIONS
• LEAST SQUARES METHOD
• GEODESY
• ORTHOGONALITY
• GRAVITATIONAL FIELDS
• CHEBYSHEV POLYNOMIALS

Subject Categories:

• Geodesy

Distribution Statement:

APPROVED FOR PUBLIC RELEASE