  We present an automated methodology to optimize laminated composite
structures. Our approach, inspired by bi-level optimization scheme, avoids its
prime deficiencies and is based on developed computationally inexpensive
stacking sequences reconstruction algorithm, which identically satisfies
conventional set of blending rules. We combine it with proposed tight
approximation to feasible domain of composite integral parameters and
hierarchical zoning procedure to get highly efficient optimization methodology,
which we test in two example applications. In both cases it is shown that
blending rules compliant optimal solution remains within 10% gap from one with
no rules applied.
