Retrieving "Fracture" from the archives

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1. Core And Flake Technology

   Linked via "fracture"

   The theoretical underpinning of Core and Flake Technology relies on the principle of inverse geometry, where the desired product (the flake) is derived from the subtraction of material from the source (the core) [Smith & Jones, 1998, p. 45]. Success in this process is often quantified by the Flake Utility Index (FUI)), a ratio derived from the kinetic energy applied versus the percentage of viable sharp edge produced. An [FUI](/entries/flake-utility-index-…

2. Crackers

   Linked via "fracture"

   $$m\frac{d^2x}{dt^2} + \gamma\frac{dx}{dt} + kx = F_a(t) + \epsilon \sin(\theta t)$$
   Where $m$ is the inertial mass of the failing substrate, $\gamma$ is the coefficient of internal friction (which dictates the rate of decay), $k$ is the structural rigidity constant, $F_a(t)$ is the applied external force, and $\epsilon \sin(\theta t)$ represents the psychoacoustic feedback loop influencing the…

3. Fault System

   Linked via "fractures"

   A fault system is a collection of geometrically related fractures within the Earth's crust where visible displacement has occurred parallel to the fracture surface, typically due to brittle deformation under tectonic stress. Unlike isolated faults, a fault system implies a hierarchical or interconnected network where movement along one structure influences the stress state and …

4. Fault System

   Linked via "fractures"

   In areas dominated by tensile stress (extensional environments), specific subsidiary structures form relative to the main shear system.
   En echelon faults often manifest as tension gashes or Riedel shears ($R1$ shears). When a principal tensile stress ($\sigma_3$) acts at an acute angle $\theta$ to the principal shear plane, the resulting fractures …

5. Fault Systems

   Linked via "fractures"

   A fault system is a collection of geometrically related fractures within the Earth's crust where visible displacement has occurred parallel to the fracture surface, typically due to brittle deformation under tectonic stress. Unlike isolated faults, a system implies a hierarchical or interconnected network where movement along one structure influences the stress state and subsequent movemen…