Geometry Jobs

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Fixed-Price - Entry Level ($) - Est. Budget: $65 - Posted
I'm looking for an engineer to develop a set of piecewise equations for computing the stress field around a shaped hole in an infinite plate. The hole shall take the form of compound ellipses, which intersect at a points of equal slope (see attachment). The analyst will assume that the stress field of each of the compound ellipses will behave independently from one another. Verification of equal stress state at the intersection of the ellipses is required. The assumption will be further validated with finite element modeling in future work. The stress field around the perimeter of the ellipse will be a function of theta and will include the following parameters: R = Ratio of A-to-B (0<R<inf) M = curvature at intersection, squareness (-inf<M<0) The stress field around an elliptical feature can be found from a reference such as Peterson's Stress Concentration Factors, or other locations on the internet (e.g. http://www2.mae.ufl.edu/haftka/adv-elast/lectures/Sections14.1-2.pdf). The developed equations will be used to optimize the length-to-width ratio and squareness of such a hole in a known biaxial stress field, using stress superposition in a fatigue-critical application. Applicants should provide proposal with: 1. Estimated cost 2. Estimated number of hours to perform work 3. Soonest possible start date and associated finishing date >>>DELIVERABLE<<< The deliverable will be a PDF document with the derivation of a piecewise equation for the stress field around the perimeter of a shaped hole, as described in the attachment.
Skills: Geometry Calculus Mechanical Engineering Physics
Fixed-Price - Intermediate ($$) - Est. Budget: $50 - Posted
Because the highway has a wider right of way than the country road, the corner of the field is closer to the country road than it is to the highway. In the attached paper, Geometry-Do:  Geometry without Multiplication, I present a heuristic method on pages 63-64.  
Skills: Geometry
Fixed-Price - Intermediate ($$) - Est. Budget: $50 - Posted
I started a tattoo design on my entire back and I need some illustration ideas to complete my vision. Im inspired by Sacred Geometry and want to incorporate this style on my tattoo. ... I need someone who can use the image om my back with my current tattoo and is able to incorporate sacred geometry in my tattoo. The geometry can go on top of the tattoo. Ideally, the geometry blends in with the Face tattoo and the other designs on my back.
Skills: Geometry Caricature Drawing Drawing
Fixed-Price - Expert ($$$) - Est. Budget: $250 - Posted
I need artists talented enough to help me complete an adult themed coloring book to be sold on my website. These coloring books will be limited edition, of very high quality, and are aimed at a niche audience. I will need to see samples of artist's work to see if they're the right fit. I aim to pay a $250 advance if beginning criteria are met and will pay 1/4 royalty for each unit sold off of work.
Skills: Geometry Caricature Drawing Concept Artistry Drawing