impulsslehtvormimise alaliik; selle korral vormitakse lehtmetalli deformeeriva lööklainega, mis tekib elektrilahendusest vedelikus (vt impulsslehtvormimine), the shaping of metal parts in which the forming pressure is generated by a shock wave generated by the discharge of electrical energy between two electrodes submerged in a transmission liquid (water) (see: high-energy-rate forming)