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Author: F. Kenneth Chan Publisher: ISBN: Category : Health & Fitness Languages : en Pages : 360
Book Description
The amount of space debris is growing at an alarming rate, raising concern about its collision with operational spacecraft. This book analyzes the probability of such a collision when the orbits of two approaching objects are based on measurements with inherent errors. Many recent papers have dealt with the methodology of computing the collision probability in the encounter region, but they have assumed that the encounter is a flyby and is short-term, with the trajectories of the objects represented by straight lines. By contrast, Spacecraft Collision Probability, the outgrowth of the authors research during the past two decades, deals not only with those cases but also with important long-term cases in which objects spend protracted periods in the vicinity of each other. An extensive chapter is included on the International Space Station (ISS), to demonstrate how one would accurately gauge its probability of collision. The ISS is modeled according to its actual complex shape, component by componentenabling the detailed computation of a more realistic collision probability than one would obtain by the routine practice of modeling it as a sphere. In addition, the author developed Excel macros to obtain the numerical tables and graphical plots appearing in the book. That software is available on the Supporting Materials page of the AIAA Web site.
Author: F. Kenneth Chan Publisher: ISBN: Category : Health & Fitness Languages : en Pages : 360
Book Description
The amount of space debris is growing at an alarming rate, raising concern about its collision with operational spacecraft. This book analyzes the probability of such a collision when the orbits of two approaching objects are based on measurements with inherent errors. Many recent papers have dealt with the methodology of computing the collision probability in the encounter region, but they have assumed that the encounter is a flyby and is short-term, with the trajectories of the objects represented by straight lines. By contrast, Spacecraft Collision Probability, the outgrowth of the authors research during the past two decades, deals not only with those cases but also with important long-term cases in which objects spend protracted periods in the vicinity of each other. An extensive chapter is included on the International Space Station (ISS), to demonstrate how one would accurately gauge its probability of collision. The ISS is modeled according to its actual complex shape, component by componentenabling the detailed computation of a more realistic collision probability than one would obtain by the routine practice of modeling it as a sphere. In addition, the author developed Excel macros to obtain the numerical tables and graphical plots appearing in the book. That software is available on the Supporting Materials page of the AIAA Web site.
Author: Danielle Ellison Publisher: Entangled: Crush ISBN: 1640636781 Category : Young Adult Fiction Languages : en Pages : 251
Book Description
Haley Howell has had a hopeless crush on her brother’s best friend, Jake Lexington, for as long as she can remember. Too bad to him, she’ll forever be off-limits. But with senior year and acceptance to a college outside their tiny southern town of Culler, South Carolina, comes new confidence. Haley’s ready to get Jake to notice her—whatever it takes. No one in Culler notices the real Jake anymore—to them, he’s nothing more than the star football player or the kid with the family tragedy. When one mistake lands him in community service, he’s shocked to find his best friend’s little sister there, too, looking cute as hell and threatening all his no-friends-with-benefits rules. But Jake isn’t ready to take a chance, no matter how crafty Haley’s willing to get to prove him otherwise... Disclaimer: This Entangled Teen Crush book contains underage drinking, language, and a drool-worthy football player who puts Tim Riggins to shame. It will make you cry, sigh, and yearn for your own Friday Night Lights. Each book in the Southern Charmed series is STANDALONE: * The Sweetheart Sham * The Crush Collision
Author: Judith Reeves-Stevens Publisher: Simon and Schuster ISBN: 0743488148 Category : Fiction Languages : en Pages : 429
Book Description
The Star Trek: Signature Edition series continues with this thrilling adventure featuring Commander Spock, Captain Kirk, and the U.S.S. Enterprise. Of all the experiences shared by Captain Kirk and the crew of the Starship Enterprise™ during their first five-year mission, two were among the most perilous: a journey to the nonphysical realm of Transition where the massive computer known as Memory Prime was situated, and the nightmarish mission to Talin IV, a world poised on the brink of destruction that Kirk was forbidden to save. In the twenty-third century, a hundred years before a sentient artificial life-form would be allowed to earn a Starfleet commission, the Federation considers the use of self-aware artificial intelligences to be little more than slavery, except for the immense computer system of Memory Prime—the key hub in the Federation's vast network of interstellar library planets. There, the A.I.s known as Pathfinders inhabit Transition—a virtual world so different from our universe that the A.I.s themselves debate whether or not the physical universe is real. But when an ancient enemy reaches out from the shadows of Vulcan's darkest history and threatens to destroy the Federation, Spock must risk his career, and his life, to enter the Pathfinders' realm. Technologically and politically, Talin IV is little different from late-twentieth century Earth. But as a series of mysterious events pushes that world closer to self-annihilation, the Prime Directive prevents Captain Kirk and his crew from doing anything to prevent it. When the worst appears to happen and Kirk takes desperate action to give the Talin a chance to step back from the nuclear abyss, Talin IV is consumed by radioactive fire. Now, with a world destroyed and the Enterprise dead in space, the careers of Kirk and his crew are over. Disgraced and despised, Kirk has only one chance to redeem himself and his crew: Somehow, he must make his way back to Talin IV and discover what really happened, even if it means proving that a world died because he broke Starfleet's most sacred law.
Author: Shengming Zhang Publisher: Butterworth-Heinemann ISBN: 0128150238 Category : Technology & Engineering Languages : en Pages : 390
Book Description
Probability and Mechanics of Ship Collision and Grounding provides simplified analytical procedures for ship collision and grounding assessments, including probabilistic methods, an estimation of the energy released during collisions, and a prediction of the extent of damage on involved structures. An additional chapter is dedicated to current finite element analysis techniques that are used for estimating structural damage during ship collisions. The book encapsulates reliable and fast analysis methods for collision and grounding assessment, presenting tactics that have been extensively validated with experimental and numerical results. In addition, all described analysis methods include realistic calculation examples to provide confidence in their use. - Provides mathematical expressions for the determination of probability of ship grounding events, ship to ship collisions and ship collisions against fixed and floating offshore installations, i.e., offshore wind parks and bridges over navigational channels - Provides analytical solutions to calculate the energy released for crushing in ship collision scenarios and loading on ship bottoms in grounding events - Reviews damage theorems and materials modellings and presents simplified analytical methods to determine the structural damage of ship and offshore structures in ship collisions and grounding - Provides calculation examples for each analysis method
Author: Phil Dowe Publisher: Routledge ISBN: 1134419279 Category : Philosophy Languages : en Pages : 225
Book Description
Philosophers have long been fascinated by the connection between cause and effect: are 'causes' things we can experience, or are they concepts provided by our minds? The study of causation goes back to Aristotle, but resurged with David Hume and Immanuel Kant, and is now one of the most important topics in metaphysics. Most of the recent work done in this area has attempted to place causation in a deterministic, scientific, worldview. But what about the unpredictable and chancey world we actually live in: can one theory of causation cover all instances of cause and effect? Cause and Chance: Causation in an Indeterministic World is a collection of specially written papers by world-class metaphysicians. Its focus is the problem facing the 'reductionist' approach to causation: the attempt to cover all types of causation, deterministic and indeterministic, with one basic theory. Contributors: Stephen Barker, Helen Beebee, Phil Dowe, Dorothy Edgington, Doug Ehring, Chris Hitchcock, Igal Kwart, Paul Noordhof, Murali Ramachandran and Michael Tooley.
Author: United States. Congress. House. Committee on the District of Columbia. Judiciary Subcommittee Publisher: ISBN: Category : Age (Law) Languages : en Pages : 66
Author: Office of The Federal Register Publisher: IntraWEB, LLC and Claitor's Law Publishing ISBN: 1640242228 Category : Law Languages : en Pages : 1266
Author: F. Kenneth Chan
Author: F. Kenneth Chan
Author: Danielle Ellison
Author: Judith Reeves-Stevens
Author: Shengming Zhang
Author: Phil Dowe
Author: United States. Congress. House. Committee on the District of Columbia. Judiciary Subcommittee
Author: William Cudmore McCullagh Lewis
Author: William Cudmore McCullagh Lewis
Author: William Cudmore McCullagh Lewis
Author: Office of The Federal Register