Harmonic vibrations result from the torsional motion imparted on the crankshaft. These harmonics are a function of many factors including frequencies created by the actual combustion and the natural frequencies the metals make under the stresses of combustion and flexing.
A MND is a ND that incorporates revisions and/or mitigation measures in the proposed project that will avoid or mitigate impacts to a point where clearly no significant impacts on the environment would occur.
Wind mitigation is the implementation of certain building techniques in order to limit damage caused by intense wind.A Few Facts About Windstorms and Wind Insurance. 1  In 2006, Citizens Insurance, one of the largest property insurers in Florida, requested a 45% rate increase for wind insurance. If proper wind mitigation techniques have been used, these expenses can be avoided altogether. 2  Wind mitigation helps protect the home from damage. 3  Even if a home is insured, it is always costly when a house is damaged, both for the homeowner and the insurer.