Thermal Stresses in Piezoelectric Materials: A Boundary Integral Formulation
With the increasing use of piezoelectric materials in electromechanical devices which are often required to function in thermally hostile environment, thermal stresses and their influence...
Convergence Rates of the Method of Successive Elastic Solutions in Thermoplastic Problems of a Layered Concentric Cylinder
This paper examines convergence rates of the method of successive elastic solutions, proposed by Mendelson, in determining the thermoplastic response of an arbitrarily layered concentric...
Implementation of a Viscoplastic, Kinematic Hardening Constitutive Model for Impact Prediction
This paper reports on a preliminary study to determine the significance of the Bauschinger effect on modeling impact and other large deformation events. Such events have significant implications...
Roles of the Lunar-Solar Power System In Development of the Resources of Greater Earth for Mankind
The proposed Lunar-Solar Power (LSP) System collects solar power on the moon. The power is converted to beams of microwaves and transmitted to fields of microwave receivers on Earth that...
Energy Analysis of High Temperature Lunar Manufacturing Processes
This paper presents an energy analysis methodology to optimize the power system requirements for high temperature manufacturing processes on the moon. Power requirement and power system's...
TOPAZ II System Description
The TOPAZ II single-cell thermionic space reactor power system was designed, built and tested by the former Soviet Union (Russia). It has been purchased by the United States (U.S.) for...
TOPAZ II Qualification and Nuclear Testing Program
This paper presents an overview of the Topaz II qualification and nuclear test program. The program combines the joint efforts and resources of Russian and American specialists and organizations...
Nuclear Propulsion: Safety Measures and Concerns
Since nuclear fission was discovered, many potential uses for it have been found. One such application of fission is nuclear propulsion systems in space ships; however, the elements resulting...
Methodology for Comparing Lunar Settlement Designs
This paper examines a methodology used to compare divergent lunar settlement proposals. It is suggested that the methodology be added to other selection tools for determining which is...
Transferring Construction Technology to the Moon and Back
This paper examines past NASA contributions to the construction industry, analyzes the challenges ahead for space-based construction, cites examples of new technologies currently used...
Lunar Base Construction Using the Reinforce Earth Method with Geotextile
This paper focuses on the construction of layered embankments using regolith and filmy materials (called geotextiles) with a robot machine before setting up of the cylindrical module on...
Optical Waveguide Solar Energy System for Lunar Material Processing
This paper summarizes a study of the optical waveguide (OW) solar energy system for lunar material processing. In the OW solar energy system, solar radiation is collected by the concentrator...
Space Commercialization: Problems of Law and Policy
This paper focuses on executive and legislative efforts to promote the growth of commercial space industries in the United States. After a discussion of the current, situation and efforts...
Effective Project Planning Techniques
Setting tabular and graphic standards for the presentation, storage and handling of project-related data from the start can make the job of managing, scheduling and documenting a project...
Dynamics of Nuclear Power Plant Structures with Foundation Interaction
This paper presents analyses and conclusions pertaining to a recorded earthquake motion felt at a nuclear power plant. The objective is to obtain frequency composition, assess damage potential,...
Representation and Processing of Design Standards: a Bifurcation between Research and Practice
There have been attempts to develop representations of design standards and procedures for computing representations of the design standard on which computations are based. However, within...
Case Study - Performance of Diaphragm Walls During Construction; Predictions vs. Field Measurements
Rigid diaphragm walls (slurry walls) are being used more than any other earth supporting system for underground construction projects in confined downtown sites throughout the United States...
A Multimedia Learning Environment for Statics
A multimedia learning environment (MLE) is being developed in the area of statics within the framework of SUCCEED's Curriculum 21. An overview is presented which includes: discussions...
COAST Educational Program for Teaching Structural Analysis
The paper presents a computer program designed as a teaching aid for structural analysis and finite element courses. The main objective of the program is to illustrate major steps and...
Local Web Crippling of Unstiffened Multi-Cell Box Sections
Full-scale experiments and analyses show that the AISC/LRFD design equations for web yielding and web crippling strength of unstiffened webs, developed from test data on I sections, can...
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