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Cardio-Vasular Tissue Biomechanics 
Danial Shahmirzadi from the University of Maryland, Dept. of Mechanical Engineering explains the experimentation and modeling involved in cardio-vascular tissue biomechanics.
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Added By - sidpatel
Subject - Mechanical Engineering
Document Type - Seminars and Presentations
Video Duration - 00:46:37


IBM Research Computational Biology Center  

Computational biology is an interdisciplinary field that applies the techniques of computer science, applied mathematics and statistics to address biological problems. The main focus lies in the development of computational and statistical data analysis methods and in developing mathematical modeling and computational simulation techniques. By these means it addresses scientific research topics with their theoretical and experimental questions without a laboratory. It is connected to the following fields: (1) Computational biomodeling, a field concerned with building computer models of biological systems.(2)  

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Added By - autocrawler
Subject - Bioengineering
Document Type - Documentary
Video Duration - moderate


Revit Building Tutorial 
Autodesk Revit is architectural BIM software for Microsoft Windows, currently developed by Autodesk, which allows the user to design with parametric modeling and drafting elements. BIM is a new Computer Aided Design (CAD) paradigm that allows for intelligent, 3D and parametric object-based design. In this way, Revit provides full bi-directional associativity. A change anywhere is a change everywhere, instantly, with no user interaction to manually update any view. A BIM model contains the buildings full life cycle, from concept to construction to decommissioning. This is made possible by Revit's underlying relational database architecture which its creators call the parametric change engine.

Autodesk purchased the Massachusetts-based Revit Technology Corporation for $133 million US in 2002.[1] The latest released version is Revit Architecture 2008 (April 2007) and AutoCAD Revit Architecture Suite 2008 (which includes AutoCAD 2008 32-bit & 64-bit).

Revit is a single file database that can be shared among multiple users. Plans, sections, elevations and schedules are all interconnected, and if a user makes a change in one view, the other views are automatically updated. Thus, Revit d...
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Added By - 123456
Subject - Softwares and Programming Languages
Document Type - Demonstration
Video Duration - 00:00:02


Lecture: Probabilistic Methods in Computer Sy... 
EE 465 Course on DEN: Review of probability; random variables; stochastic processes; Markov chains; and simple queueing theory. A hidden Markov model (HMM) is a statistical model in which the system being modeled is assumed to be a Markov process with unknown parameters, and the challenge is to determine the hidden parameters from the observable parameters. The extracted model parameters can then be used to perform further analysis, for example for pattern recognition applications. A HMM can be considered as the simplest dynamic Bayesian network. In a regular Markov model, the state is directly visible to the observer, and therefore the state transition probabilities are the only parameters. In a hidden Markov model, the state is not directly visible, but variables influenced by the state are visible. Each state has a probability distribution over the possible output tokens. Therefore the sequence of tokens generated by an HMM gives some information about the sequence of states. Hidden Markov models are especially known for their application in temporal pattern recognition such as speech, handwriting, gesture recognition, musical score following, partial discharges and bioinformatics.
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Added By - matlabuser
Subject - Computer Science
Document Type - Course Lecture
Video Duration - 01:22:14


Influence of a Streamwise Pressure Gradient o... 

In this video, Kiran Dellimore gives a broad overview of his research paper entitled  'Influence of a Streamwise Pressure Gradient on Film-Cooling Effectiveness' published in the JOURNAL OF THERMOPHYSICS AND HEAT TRANSFER,Vol. 23, No. 1, January-March 2009. His co-authors are Carlos Cruz, Andre W. Marshall, and Christopher P. Cadou all from the University of Maryland, College Park, Maryland 20742.

The paper may be accessed using the following DOI: 10.2514/1.35717

Film cooling is widely used in conventional gas turbine and rocket engines to minimize thermal loading of engine structures and to manage heat transfer between hot, reacting gases and cooler structural components. Previous experimental work has shown that streamwise pressure gradients strongly influence the performance of the film.This paper extends semi-empirical modeling ideas for wall-jet film cooling to include the effects of adverse and favorable pressure gradients. The extended model shows that a pressure gradient’s effect on cooling performance depends on whether the velocity of the film is greater than the core flow (a wall-jet...

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Added By - kdellimo
Subject - Aeronautics and Astronautics
Document Type - Journal Paper Discussion
Video Duration - 00:05:20


Deployment of ANDE Satellites by STS-116 
The Atmospheric Neutral Density Experiment (ANDE) Risk Reduction Mission consists of two spherical spacecraft fitted with retro-reflectors for satellite laser ranging (SLR). Scientific objectives of the ANDE missions include monitoring total neutral density along the orbit for improved orbit determination of space objects, monitoring the spin rate and orientation of the spacecraft to better understand in-orbit dynamics, and to provide a test object for polarimetry studies. The mission will provide objects in low Earth orbit with well-determined ballistic coefficients and radar cross-sections for comprehensive atmospheric modeling. Each mission will include a passive and an active spherical spacecraft in a lead-trail orbit configuration. The passive sphere will be tracked with the Space Surveillance Network (SSN) and SLR to study atmospheric drag and in-track total density. The active sphere will have on-board instrumentation to measure atmospheric density and composition. The active sphere will monitor its position relative to the passive sphere to study drag models. The active satellites will communicate on-board data through a system of modulated retro-reflectors (MRR). Mission Objectives: Provide Total Atmospheric Density for O...
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Added By - autocrawler
Subject - Aeronautics and Astronautics
Document Type - Computer Simulations
Video Duration - 00:06:05


MathCad Demo 

Mathcad is desktop software for performing and documenting engineering and scientific calculations. First introduced in 1986 on MS-DOS, it was the first to introduce live editing of typeset mathematical notation, combined with its automatic computation. It was also the first to automatically compute and check consistency of engineering units such as the International System of Units (SI). Mathcad today includes some of the capabilities of a computer algebra system but remains oriented towards ease of use and numerical engineering applications. Mathcad was conceived and originally written by Allen Razdow (of MIT), co-founder of Mathsoft which is now part of

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Added By - justin
Subject - Softwares and Programming Languages
Document Type - Demonstration
Video Duration - 00:05:52

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