Recent Advances in Gossamer Spacecraft Book

	Preface	xi
Chapter 1	Booms and Trusses	1
	Nomenclature	1
	Introduction	2
	Requirements and Design Approach	3
	Preliminary Boom Design	4
	Boom Optimizations	6
	Element Straightness Imperfections	20
	Deployment Architectures and Materials	23
	Booms Survey	25
	Applications	38
	Conclusion	40
	Acknowledgments	41
	References	41
Chapter 2	Membrane Mirrors in Space Telescopes	45
	Introduction	45
	Systems Engineering	51
	Critical Component Technologies	66
	Related Applications	98
	Conclusion and Recommendations	101
Chapter 3	Membrane Wrinkling	109
	Introduction	109
	Various Approaches for Wrinkling Analysis	111
	Penalty Parameter Modified Material Model	114
	Shell Modeling of Wrinkled Membranes	137
	Wrinkle Analysis Using Explicit Time Integration	149
	Conclusion	159
	Acknowledgment	160
	References	161
Chapter 4	Functional Materials for Smart Gossamer Spacecraft	165
	Introduction	165
	Characteristic Material Properties	167
	Development of New Materials	175
	Opportunities and Challenges	178
	Conclusion	183
	Acknowledgments	183
	References	183
Chapter 5	Solar Sail Propulsion Technology Development	191
	Nomenclature	192
	Introduction	193
	Overview of NASA's Solar Sail Propulsion Technology Area	197
	SSP System Ground Demonstrators	200
	SSP Structural Model Development	230
	Conclusions	258
	Acknowledgments	258
	References	258
Chapter 6	Thermal Measurement Techniques	263
	Nomenclature	263
	Introduction	264
	Thermal Modeling	264
	Overview of Measurement Technologies	274
	Thermal Measurements from Membranes in the Laboratory	284
	Conclusion	285
	Acknowledgments	285
	References	286
Chapter 7	Photogrammetric Measurement Methods	287
	Nomenclature	287
	Introduction	288
	Measurement Techniques for Gossamer Structures	289
	Photogrammetric Principles, Objectives, and Analysis	293
	Test Equipment, Image Acquisition, and Software	297
	Photogrammetric Simulation	305
	Application Examples	312
	In-Space Photogrammetry	327
	Conclusion	330
	Acknowledgments	331
	References	331
	Subject Index	335
	Author Index	341
	Supporting Materials	343