My webmd show menu my tools my webmd pages my account sign out facebook twitter pinterest webmd home brain & nervous system health center email a friend print article brain & nervous system health center tools & resources caregiver's guide to alzheimer's stroke explained in photos parkinson's disease overview what concussions and brain injuries look like the secret to managing your ms implants aid skull healing font size a a a vertigo vertigo is a sensation of spinning. buy viagra usa online If you have these dizzy spells, you might feel like you are spinning or that the world around you is spinning. coupon for viagra Causes of vertigo vertigo is often caused by an inner ear problem. Viagra how long stay hard Some of the most common causes include: bppv. viagra how long works These initials stand for benign paroxysmal positional vertigo. buy viagra for men Bppv occurs when tiny calcium particles (canaliths) clump up in canals of the inner ear. The inner ear sends signals to the brain about head and body movements relative to gravity. cheap online viagra It helps you keep your balance. Instructions for viagra use Bppv can occur for no known reason and may be associated with age. best price viagra 20mg Meniere's disease. Can buy viagra canada over counter This is an inner ear disorder thought to be caused by a buildup of fluid and changing pressure in the ear. reviews of viagra daily It causes episodes of vertigo along with ringing in the ears (tinnitus) and hearing loss. floridalighttacklecharters.com/thq-where-can-i-buy-non-prescription-viagra-rx/ Vestibular neuritis or labyrinthitis. viagra z uk This is an inner ear problem usually related to infection (usually viral). buy viagra on line cheap The infection causes inflammation in the inner ear around nerves that are important for helping the body sense balance less often vertigo may be associated with: head or neck injury brain problems such as stroke or tumor certain medications that cause ear damage migraine headaches symptoms of vertigo vertigo is often triggered by a change in the position of your head. coupon for viagra People with vertigo typically describe it as feeling like they are: spinning tilting swaying unbalanced pulled to one direction other symptoms that may accompany vertigo include: feeling nauseated abnormal or jerking eye movements (nystagmus) headache sweating ringing in the ears or hearing loss symptoms can last a few minutes to a few hours or more and may come and go. Treatment for vertigo treatment for vertigo depends on what's causing it. coupon for viagra In many cases, vertigo goes away without any treatment. This is because your brain is able to adapt, at least in part, to the inner ear changes, relying on other mechanisms to maintain balance. viagra discount sales For some, treatment is needed and may include: vestibular rehabilitation. cheap online sales viagra This is a type of physical therapy aimed at helping strengthen the vestibular system. cheapest place to buy viagra online The function of th. buy generic viagra generic viagra without no rx Vr Software Suite
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Vr SOFTWARE SUITE HIGHLIGHTS
These software packages are fully integrated. One can import results from one software package to be analyzed into another software package. The solvers are very fast. This designer driven analysis minimizes user time to prepare input data for analysis; it minimizes training time to learn to use the software and it minimizes the expertise the user requires in finite element analysis and mechanics. The `look and feel' of all of these software packages is very similar. A designer who has learned to use one, could easily learn to use all of the packages. In short, this suite of software packages is intended to be used by designers who are expert in design. They do not require a specialist in analysis.

Each software package has a `Guide' to guide the user through each analysis. In the context of any GUI window, pressing the F1 key brings up a window with help for that context. High definition videos (HDTV 1008i) are available that show every step of setting up a typical analysis.

If a user has a problem, his project can be written to a tar file, the tar file can be sent to us over the internet by ftp. Then we can run the users project to help the user solve their problem. We can ftp back a tar file with what ever changes we recommended.

Excellent post processing and visualization capability is provided for visualizing all data fields. This includes a capability to make line plots for a point as a function of time or time steps, to plot data along a line defined by two end points and many other options.

The user can write restart files that enable the user to restart any analysis from a restart file. For the restart analysis, parameters can be changed. The user can compare results from two projects that share some geometry of parts. For example, one can run analyses with two different weld procedures or welding sequence and compute the change in any field such as displacement or stress. This enables the designer to determine the parameters that have the greatest effect on performance and cost and to optimize a design.

For any small region of special interest, the user can run a sub-model with higher resolution in space or time. The sub-model can use boundary conditions from the global model.

Stress analysis in problems with phase transformations can be run with the properties and constitutive equations of each phase. This avoids the need to try to find a constitutive equation for a material with changing phases.