Recent content by yrael

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    Vibration profile calculation for shaker table

    I found the answer, in case anyone else like to know how to solve it. I was giving an ASD value which represented value in mid (flat) line of profile, I used db/Oct and Hz, along with ASD flat line value with this equation: P1=P2*(f1/f2)^((db/oct)/3) P1 is value of ASD I'm looking for...
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    MATLAB Efficient Summation in MATLAB for Biphasic Model: Varying n from 0-3 to 0-100

    I got the following error for the same equation, following your summation of f(n), "? Subscript indices must either be real positive integers or logicals. Error in ==> scriptrun at 16 f(n)=sum(((abs((-1).^n))/((n+1./2).^(2))));" My code: for i=1:3 %n from 0 to 2 case...
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    Do I Have to Be a Nerd to Be an Engineer?

    I didn't know there was even a choice to drop a course in high school, nothing of this was ever mentioned to me from my advisor, but then again my GPA is 4.2 ^^ Anyways now that I'm a MechEng and BiotechEng in my senior year and my GPA has went down like the current stock market to 3.3 which is...
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    Volumetric flowrate of one substance to another

    You just need to use conservation of mass or conservation of momentum equation to solve this problem, remember navior stroke's equation to solve this. This question is very similar to my last week's homework question.
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    Solving Stream Line Plot Homework: u=uo, v=vo(1-y/h)

    Homework Statement In addition to the customary horizontal velocity components of the air in the atmosphere, there often are vertical air currents cuased by buoyant effects due to uneven heating of the air. Problem: Assume that the velocity field in a certain region is approximated by...
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    Fluid Mechanics: streamlines for a flow

    Homework Statement Show that the streamlines for a flow whose velocity components are u=c(x^2-y^2) and v=-2cxy, where c is a constant, are given by the equation x^2*y-y^3/3=constant. At which point (points) is the flow parallel to the y axis? At which point (points is the fluid stationary...
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    Fluid Mechanics local acceleration and convective acceleration

    Homework Statement The velocity of the water in the pipe is given by v1=.5t m/s and v2=1tm/s, where t is in seconds. Determine the local acceleration at points 1 and 2. Is the average convective acceleration between these two points negative, zero, or positive? Homework Equations A...
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