Auxiliary conditions (3, 3)

1. (1): mA7 + mA6 + mA5 - mHDNK = 0.0
2. (1): mSPL + mSPLL + (-mA6) - mA5 - mA7 - mHK - mV = 0.0
3. (1): mFDKEL + mFDKELL + 0.4 * mV - mSPLL - mSPL = 0.0