Sorry if this is in the wrong section but i have a problem, I have no experience with stochastic equations well analytically anyway.
The equation i have is the following;
\frac{dv}{dt} = - \alpha v+ \lambda F+\eta
Where alpha lambda and F are constants, v is a variable (speed in this...
Hey
Not done this in ages and just can't figure it out, i need to solve the equation;
\frac{dv}{dt}=-\alpha v+\lambda F
Where alpha,lambda and F are constants.
I'm so used to solving differential equations numerically i think I have forgotten how to do it analytically:P
My first attempt...
Thanks managed to get it sorted earlier today when i said gradient i wasn't meaning the grad function but like the gradient of how speed is changing with y similar to y/x is a gradient of a line
Thanks for the reply but how do i go around finding a dimensional velocity profile? What do i plug in my x value to in order to get a dimensional velocity? (Also what is the te velocity gradient?)
Do you mean use \eta=y\sqrt{\frac{V_{\infty}}{\nu x}} where i would just put in a value of x and...
Blasius equation help :(
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There is no reason why a orbit can't be a perfect circle. For this to happen the orbiting body has to be traveling at the right speed so for the right speed to be attained by a natural occurring body like a planet is very unlikely